
Extension springs absorb and store energy as well as create a resistance to a pulling force. Extension Springs are attached at both ends to other components. When these components move apart, the extension spring will pull components together again. Learn more about Extension Springs and How to Measure an Extension Spring.
EIM025B 04 S 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        207.8            | 
                                                                                        0.2078            | 
                                                                                        0.4581            | 
                                                                                        2.038            | 
                                                                                        66            | 
                                                                                        6.6            | 
                                                                                        0.066            | 
                                                                                        0.0066            | 
                                                                                        0.37            | 
                                                                                        0.65            | 
                                                                                        0.065            | 
                                                                                        4.42            | 
                                                                                        1.74            | 
                                                                                        44.2            | 
                                                                                        15.1            | 
                                                                                        0.0151            | 
                                                                                        0.0333            | 
                                                                                        0.148            | 
                                                                                        1.549            | 
                                                                                        0.61            | 
                                                                                        15.49            | 
                                                                                        
                              SS
                                        | 
              
EIM025B 04 M 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        249.5            | 
                                                                                        0.2495            | 
                                                                                        0.55            | 
                                                                                        2.447            | 
                                                                                        80            | 
                                                                                        8            | 
                                                                                        0.08            | 
                                                                                        0.008            | 
                                                                                        0.45            | 
                                                                                        0.79            | 
                                                                                        0.079            | 
                                                                                        4.42            | 
                                                                                        1.74            | 
                                                                                        44.2            | 
                                                                                        18.1            | 
                                                                                        0.0181            | 
                                                                                        0.04            | 
                                                                                        0.178            | 
                                                                                        1.549            | 
                                                                                        0.61            | 
                                                                                        15.49            | 
                                                                                        
                              MW
                                        | 
              
EIM025B 03 S 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        207.8            | 
                                                                                        0.2078            | 
                                                                                        0.4581            | 
                                                                                        2.038            | 
                                                                                        91            | 
                                                                                        9.1            | 
                                                                                        0.091            | 
                                                                                        0.0091            | 
                                                                                        0.51            | 
                                                                                        0.89            | 
                                                                                        0.089            | 
                                                                                        3.383            | 
                                                                                        1.332            | 
                                                                                        33.83            | 
                                                                                        15.1            | 
                                                                                        0.0151            | 
                                                                                        0.0333            | 
                                                                                        0.148            | 
                                                                                        1.25            | 
                                                                                        0.492            | 
                                                                                        12.5            | 
                                                                                        
                              SS
                                        | 
              
EIM025B 03 M 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        249.5            | 
                                                                                        0.2495            | 
                                                                                        0.55            | 
                                                                                        2.447            | 
                                                                                        109            | 
                                                                                        10.9            | 
                                                                                        0.109            | 
                                                                                        0.0109            | 
                                                                                        0.61            | 
                                                                                        1.07            | 
                                                                                        0.107            | 
                                                                                        3.383            | 
                                                                                        1.332            | 
                                                                                        33.83            | 
                                                                                        18.1            | 
                                                                                        0.0181            | 
                                                                                        0.04            | 
                                                                                        0.178            | 
                                                                                        1.25            | 
                                                                                        0.492            | 
                                                                                        12.5            | 
                                                                                        
                              MW
                                        | 
              
EIM025B 02 S 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        207.8            | 
                                                                                        0.2078            | 
                                                                                        0.4581            | 
                                                                                        2.038            | 
                                                                                        111            | 
                                                                                        11.1            | 
                                                                                        0.111            | 
                                                                                        0.0111            | 
                                                                                        0.62            | 
                                                                                        1.09            | 
                                                                                        0.109            | 
                                                                                        2.827            | 
                                                                                        1.113            | 
                                                                                        28.27            | 
                                                                                        15.1            | 
                                                                                        0.0151            | 
                                                                                        0.0333            | 
                                                                                        0.148            | 
                                                                                        1.1            | 
                                                                                        0.433            | 
                                                                                        11            | 
                                                                                        
                              SS
                                        | 
              
EIM025B 02 M 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        249.5            | 
                                                                                        0.2495            | 
                                                                                        0.55            | 
                                                                                        2.447            | 
                                                                                        134            | 
                                                                                        13.4            | 
                                                                                        0.134            | 
                                                                                        0.0134            | 
                                                                                        0.75            | 
                                                                                        1.31            | 
                                                                                        0.131            | 
                                                                                        2.827            | 
                                                                                        1.113            | 
                                                                                        28.27            | 
                                                                                        18.1            | 
                                                                                        0.0181            | 
                                                                                        0.04            | 
                                                                                        0.178            | 
                                                                                        1.1            | 
                                                                                        0.433            | 
                                                                                        11            | 
                                                                                        
                              MW
                                        | 
              
EIM025B 01 S 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        207.8            | 
                                                                                        0.2078            | 
                                                                                        0.4581            | 
                                                                                        2.038            | 
                                                                                        143            | 
                                                                                        14.3            | 
                                                                                        0.143            | 
                                                                                        0.0143            | 
                                                                                        0.8            | 
                                                                                        1.4            | 
                                                                                        0.14            | 
                                                                                        2.296            | 
                                                                                        0.904            | 
                                                                                        22.96            | 
                                                                                        15.1            | 
                                                                                        0.0151            | 
                                                                                        0.0333            | 
                                                                                        0.148            | 
                                                                                        0.95            | 
                                                                                        0.374            | 
                                                                                        9.5            | 
                                                                                        
                              SS
                                        | 
              
EIM025B 01 M 
                             | 
                                                                                        0.249            | 
                                                                                        0.098            | 
                                                                                        2.49            | 
                                                                                        0.025            | 
                                                                                        0.01            | 
                                                                                        0.25            | 
                                                                                        249.5            | 
                                                                                        0.2495            | 
                                                                                        0.55            | 
                                                                                        2.447            | 
                                                                                        171            | 
                                                                                        17.1            | 
                                                                                        0.171            | 
                                                                                        0.0171            | 
                                                                                        0.96            | 
                                                                                        1.68            | 
                                                                                        0.168            | 
                                                                                        2.296            | 
                                                                                        0.904            | 
                                                                                        22.96            | 
                                                                                        18.1            | 
                                                                                        0.0181            | 
                                                                                        0.04            | 
                                                                                        0.178            | 
                                                                                        0.95            | 
                                                                                        0.374            | 
                                                                                        9.5            | 
                                                                                        
                              MW
                                        | 
              
EI 012C 06 M 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        415            | 
                                                                                        0.415            | 
                                                                                        0.915            | 
                                                                                        4.07            | 
                                                                                        104            | 
                                                                                        10.4            | 
                                                                                        0.104            | 
                                                                                        0.0104            | 
                                                                                        0.584            | 
                                                                                        1.02            | 
                                                                                        0.102            | 
                                                                                        5.832            | 
                                                                                        2.296            | 
                                                                                        58.32            | 
                                                                                        38.6            | 
                                                                                        0.0386            | 
                                                                                        0.085            | 
                                                                                        0.378            | 
                                                                                        2.223            | 
                                                                                        0.875            | 
                                                                                        22.23            | 
                                                                                        
                              MW
                                        | 
              
EI 011C 02 M 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.028            | 
                                                                                        0.011            | 
                                                                                        0.28            | 
                                                                                        318.9            | 
                                                                                        0.3189            | 
                                                                                        0.703            | 
                                                                                        3.127            | 
                                                                                        180            | 
                                                                                        18            | 
                                                                                        0.18            | 
                                                                                        0.018            | 
                                                                                        1.006            | 
                                                                                        1.76            | 
                                                                                        0.176            | 
                                                                                        2.723            | 
                                                                                        1.072            | 
                                                                                        27.23            | 
                                                                                        29.5            | 
                                                                                        0.0295            | 
                                                                                        0.065            | 
                                                                                        0.289            | 
                                                                                        1.113            | 
                                                                                        0.438            | 
                                                                                        11.13            | 
                                                                                        
                              MW
                                        | 
              
EI 012C 07 S316 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        261.3            | 
                                                                                        0.2613            | 
                                                                                        0.576            | 
                                                                                        2.562            | 
                                                                                        74            | 
                                                                                        7.4            | 
                                                                                        0.074            | 
                                                                                        0.0074            | 
                                                                                        0.412            | 
                                                                                        0.72            | 
                                                                                        0.072            | 
                                                                                        5.652            | 
                                                                                        2.225            | 
                                                                                        56.52            | 
                                                                                        32.2            | 
                                                                                        0.0322            | 
                                                                                        0.071            | 
                                                                                        0.316            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              SS 316
                                        | 
              
EI 012C 07 S 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        348.4            | 
                                                                                        0.3484            | 
                                                                                        0.768            | 
                                                                                        3.416            | 
                                                                                        74            | 
                                                                                        7.4            | 
                                                                                        0.074            | 
                                                                                        0.0074            | 
                                                                                        0.412            | 
                                                                                        0.72            | 
                                                                                        0.072            | 
                                                                                        6.838            | 
                                                                                        2.692            | 
                                                                                        68.38            | 
                                                                                        32.2            | 
                                                                                        0.0322            | 
                                                                                        0.071            | 
                                                                                        0.316            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              SS
                                        | 
              
EI 012C 07 M 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        415            | 
                                                                                        0.415            | 
                                                                                        0.915            | 
                                                                                        4.07            | 
                                                                                        88            | 
                                                                                        8.8            | 
                                                                                        0.088            | 
                                                                                        0.0088            | 
                                                                                        0.495            | 
                                                                                        0.87            | 
                                                                                        0.087            | 
                                                                                        6.8            | 
                                                                                        2.677            | 
                                                                                        68            | 
                                                                                        38.6            | 
                                                                                        0.0386            | 
                                                                                        0.085            | 
                                                                                        0.378            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              MW
                                        | 
              
EI 012C 06 S316 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        261.3            | 
                                                                                        0.2613            | 
                                                                                        0.576            | 
                                                                                        2.562            | 
                                                                                        87            | 
                                                                                        8.7            | 
                                                                                        0.087            | 
                                                                                        0.0087            | 
                                                                                        0.487            | 
                                                                                        0.85            | 
                                                                                        0.085            | 
                                                                                        4.854            | 
                                                                                        1.911            | 
                                                                                        48.54            | 
                                                                                        32.2            | 
                                                                                        0.0322            | 
                                                                                        0.071            | 
                                                                                        0.316            | 
                                                                                        2.223            | 
                                                                                        0.875            | 
                                                                                        22.23            | 
                                                                                        
                              SS 316
                                        | 
              
EI 012C 06 S 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        348.4            | 
                                                                                        0.3484            | 
                                                                                        0.768            | 
                                                                                        3.416            | 
                                                                                        87            | 
                                                                                        8.7            | 
                                                                                        0.087            | 
                                                                                        0.0087            | 
                                                                                        0.487            | 
                                                                                        0.85            | 
                                                                                        0.085            | 
                                                                                        5.862            | 
                                                                                        2.308            | 
                                                                                        58.62            | 
                                                                                        32.2            | 
                                                                                        0.0322            | 
                                                                                        0.071            | 
                                                                                        0.316            | 
                                                                                        2.223            | 
                                                                                        0.875            | 
                                                                                        22.23            | 
                                                                                        
                              SS
                                        | 
              
EI 012C 05 M 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        415            | 
                                                                                        0.415            | 
                                                                                        0.915            | 
                                                                                        4.07            | 
                                                                                        127            | 
                                                                                        12.7            | 
                                                                                        0.127            | 
                                                                                        0.0127            | 
                                                                                        0.713            | 
                                                                                        1.25            | 
                                                                                        0.125            | 
                                                                                        4.862            | 
                                                                                        1.914            | 
                                                                                        48.62            | 
                                                                                        38.6            | 
                                                                                        0.0386            | 
                                                                                        0.085            | 
                                                                                        0.378            | 
                                                                                        1.905            | 
                                                                                        0.75            | 
                                                                                        19.05            | 
                                                                                        
                              MW
                                        | 
              
EI 012C 04 M 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        415            | 
                                                                                        0.415            | 
                                                                                        0.915            | 
                                                                                        4.07            | 
                                                                                        163            | 
                                                                                        16.3            | 
                                                                                        0.163            | 
                                                                                        0.0163            | 
                                                                                        0.914            | 
                                                                                        1.6            | 
                                                                                        0.16            | 
                                                                                        3.894            | 
                                                                                        1.533            | 
                                                                                        38.94            | 
                                                                                        38.6            | 
                                                                                        0.0386            | 
                                                                                        0.085            | 
                                                                                        0.378            | 
                                                                                        1.588            | 
                                                                                        0.625            | 
                                                                                        15.88            | 
                                                                                        
                              MW
                                        | 
              
EI 012C 04 S 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        348.4            | 
                                                                                        0.3484            | 
                                                                                        0.768            | 
                                                                                        3.416            | 
                                                                                        136            | 
                                                                                        13.6            | 
                                                                                        0.136            | 
                                                                                        0.0136            | 
                                                                                        0.762            | 
                                                                                        1.33            | 
                                                                                        0.133            | 
                                                                                        3.914            | 
                                                                                        1.541            | 
                                                                                        39.14            | 
                                                                                        32.2            | 
                                                                                        0.0322            | 
                                                                                        0.071            | 
                                                                                        0.316            | 
                                                                                        1.588            | 
                                                                                        0.625            | 
                                                                                        15.88            | 
                                                                                        
                              SS
                                        | 
              
EI 012C 04 S316 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.03            | 
                                                                                        0.012            | 
                                                                                        0.3            | 
                                                                                        261.3            | 
                                                                                        0.2613            | 
                                                                                        0.576            | 
                                                                                        2.562            | 
                                                                                        136            | 
                                                                                        13.6            | 
                                                                                        0.136            | 
                                                                                        0.0136            | 
                                                                                        0.762            | 
                                                                                        1.33            | 
                                                                                        0.133            | 
                                                                                        3.269            | 
                                                                                        1.287            | 
                                                                                        32.69            | 
                                                                                        32.2            | 
                                                                                        0.0322            | 
                                                                                        0.071            | 
                                                                                        0.316            | 
                                                                                        1.588            | 
                                                                                        0.625            | 
                                                                                        15.88            | 
                                                                                        
                              SS 316
                                        | 
              
EI 011C 01 S316 
                             | 
                                                                                        0.277            | 
                                                                                        0.109            | 
                                                                                        2.77            | 
                                                                                        0.028            | 
                                                                                        0.011            | 
                                                                                        0.28            | 
                                                                                        200            | 
                                                                                        0.2            | 
                                                                                        0.441            | 
                                                                                        1.962            | 
                                                                                        199            | 
                                                                                        19.9            | 
                                                                                        0.199            | 
                                                                                        0.0199            | 
                                                                                        1.117            | 
                                                                                        1.96            | 
                                                                                        0.196            | 
                                                                                        1.831            | 
                                                                                        0.721            | 
                                                                                        18.31            | 
                                                                                        24.5            | 
                                                                                        0.0245            | 
                                                                                        0.054            | 
                                                                                        0.24            | 
                                                                                        0.953            | 
                                                                                        0.375            | 
                                                                                        9.53            | 
                                                                                        
                              SS 316
                                        | 
              
.png)