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Extension Spring

Extension Springs — In Stock & Ready to Ship

Lee Spring stocks wide selection of extension springs in standard and instrument series configurations available for immediate shipment. Our in-stock extension spring inventory includes music wire, Type 302 stainless steel, and Type 316 stainless steel options with various end loop configurations. Filter by outside diameter, wire diameter, free length, initial tension, and maximum load to find the exact specification you need easily. All stock extension springs include free standard ground shipping option and a Certificate of Compliance. Learn more about Extension Springs and How to Measure an Extension Spring.

Results 5399 Springs
EI 007A 05 S
0.16
0.063
1.6
0.08
0.007
0.18
120.9
0.1209
0.2665
1.185
54
5.4
0.054
0.0054
0.3
0.53
0.053
3.327
1.31
33.27
11.3
0.0113
0.0249
0.111
1.27
0.5
12.7
SS
EI 007A 05 S316
0.16
0.063
1.6
0.08
0.007
0.18
90.3
0.0903
0.199
0.885
54
5.4
0.054
0.0054
0.3
0.53
0.053
2.743
1.08
27.43
11.3
0.0113
0.0249
0.111
1.27
0.5
12.7
SS 316
EI 008A 07 M
0.16
0.063
1.6
0.02
0.008
0.2
204.1
0.2041
0.45
2.002
82
8.2
0.082
0.0082
0.46
0.81
0.081
4.166
1.64
41.66
18.1
0.0181
0.04
0.178
1.905
0.75
19.05
MW
EI 008A 06 S316
0.16
0.063
1.6
0.02
0.008
0.2
127.5
0.1275
0.281
1.25
84
8.4
0.084
0.0084
0.47
0.82
0.082
2.926
1.152
29.26
15.1
0.0151
0.0333
0.148
1.588
0.625
15.88
SS 316
EI 011AA 05M
0.198
0.078
1.98
0.028
0.011
0.28
467.2
0.4672
1.03
4.582
379
37.9
0.379
0.0379
2.12
3.71
0.371
2.395
0.943
23.95
40.8
0.0408
0.09
0.4
1.27
0.5
12.7
MW
EI 009AA 07S
0.198
0.078
1.98
0.023
0.009
0.23
210.9
0.2109
0.465
2.068
64
6.4
0.064
0.0064
0.36
0.63
0.063
4.895
1.927
48.95
19.1
0.0191
0.042
0.187
1.905
0.75
19.05
SS
EI 011AA 05S
0.198
0.078
1.98
0.028
0.011
0.28
391.9
0.3919
0.864
3.843
316
31.6
0.316
0.0316
1.767
3.09
0.309
2.405
0.947
24.05
34
0.034
0.075
0.334
1.27
0.5
12.7
SS
EI 011AA 05S316
0.198
0.078
1.98
0.028
0.011
0.28
293.9
0.2939
0.648
2.882
316
31.6
0.316
0.0316
1.767
3.09
0.309
2.093
0.824
20.93
34
0.034
0.075
0.334
1.27
0.5
12.7
SS 316
EI 011AA 06M
0.198
0.078
1.98
0.028
0.011
0.28
467.2
0.4672
1.03
4.582
284
28.4
0.284
0.0284
1.592
2.79
0.279
3.089
1.216
30.89
40.8
0.0408
0.09
0.4
1.588
0.625
15.88
MW
EI 011AA 06S
0.198
0.078
1.98
0.028
0.011
0.28
391.9
0.3919
0.864
3.843
237
23.7
0.237
0.0237
1.327
2.32
0.232
3.099
1.22
30.99
34
0.034
0.075
0.334
1.588
0.625
15.88
SS
EI 011AA 06S316
0.198
0.078
1.98
0.028
0.011
0.28
293.9
0.2939
0.648
2.882
237
23.7
0.237
0.0237
1.327
2.32
0.232
2.682
1.056
26.82
34
0.034
0.075
0.334
1.588
0.625
15.88
SS 316
EI 011AA 07M
0.198
0.078
1.98
0.028
0.011
0.28
467.2
0.4672
1.03
4.582
228
22.8
0.228
0.0228
1.274
2.23
0.223
3.78
1.488
37.8
40.8
0.0408
0.09
0.4
1.905
0.75
19.05
MW
EI 011AA 07S
0.198
0.078
1.98
0.028
0.011
0.28
391.9
0.3919
0.864
3.843
190
19
0.19
0.019
1.062
1.86
0.186
3.792
1.493
37.92
34
0.034
0.075
0.334
1.905
0.75
19.05
SS
EI 007AA 03S
0.198
0.078
1.98
0.08
0.007
0.18
97.5
0.0975
0.215
0.956
44
4.4
0.044
0.0044
0.244
0.43
0.043
2.982
1.174
29.82
9.5
0.0095
0.021
0.093
0.953
0.375
9.53
SS
EI 009AA 07S316
0.198
0.078
1.98
0.023
0.009
0.23
157.9
0.1579
0.348
1.548
64
6.4
0.064
0.0064
0.36
0.63
0.063
4.064
1.6
40.64
19.1
0.0191
0.042
0.187
1.905
0.75
19.05
SS 316
EI 009AA 08M
0.198
0.078
1.98
0.023
0.009
0.23
251.7
0.2517
0.555
2.469
64
6.4
0.064
0.0064
0.36
0.63
0.063
5.791
2.28
57.91
22.7
0.0227
0.05
0.222
2.223
0.875
22.23
MW
EI 009AA 08S
0.198
0.078
1.98
0.023
0.009
0.23
210.9
0.2109
0.465
2.068
54
5.4
0.054
0.0054
0.3
0.53
0.053
5.814
2.289
58.14
19.1
0.0191
0.042
0.187
2.223
0.875
22.23
SS
EI 009AA 08S316
0.198
0.078
1.98
0.023
0.009
0.23
157.9
0.1579
0.348
1.548
54
5.4
0.054
0.0054
0.3
0.53
0.053
4.813
1.895
48.13
19.1
0.0191
0.042
0.187
2.223
0.875
22.23
SS 316
EI 011AA 08S
0.198
0.078
1.98
0.028
0.011
0.28
391.9
0.3919
0.864
3.843
158
15.8
0.158
0.0158
0.885
1.55
0.155
4.486
1.766
44.86
34
0.034
0.075
0.334
2.223
0.875
22.23
SS
EI 011AA 08M
0.198
0.078
1.98
0.028
0.011
0.28
467.2
0.4672
1.03
4.582
190
19
0.19
0.019
1.062
1.86
0.186
4.47
1.76
44.7
40.8
0.0408
0.09
0.4
2.223
0.875
22.23
MW

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large selection of springs

Selection

25,000+ products
available, plus custom
products made to your specification.

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on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

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in stock springs

In Stock

Springs ready to ship
today.

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

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on all Stock Springs

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Engineering and
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at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

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geographic requirements wherever your business
takes you in the world

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LeeSpring

Lee Spring, 140 58th Street, Brooklyn, NY 11220 | 888-777-4647
Copyright 2020 Lee Spring Company