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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 04 M
0.16
0.063
1.6
0.08
0.007
0.18
145.2
0.1452
0.32
1.423
77
7.7
0.077
0.0077
0.43
0.75
0.075
2.814
1.108
28.14
13.6
0.0136
0.03
0.133
1.113
0.438
11.13
MW
EI 007A 04 S
0.16
0.063
1.6
0.08
0.007
0.18
120.9
0.1209
0.2665
1.185
64
6.4
0.064
0.0064
0.36
0.63
0.063
2.814
1.108
28.14
11.3
0.0113
0.0249
0.111
1.113
0.438
11.13
SS
EI 007A 04 S316
0.16
0.063
1.6
0.08
0.007
0.18
90.3
0.0903
0.199
0.885
64
6.4
0.064
0.0064
0.36
0.63
0.063
2.339
0.921
23.39
11.3
0.0113
0.0249
0.111
1.113
0.438
11.13
SS 316
EI 007A 05 M
0.16
0.063
1.6
0.08
0.007
0.18
145.2
0.1452
0.32
1.423
64
6.4
0.064
0.0064
0.36
0.63
0.063
3.327
1.31
33.27
13.6
0.0136
0.03
0.133
1.27
0.5
12.7
MW
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 007A 01 M
0.16
0.063
1.6
0.08
0.007
0.18
145.2
0.1452
0.32
1.423
179
17.9
0.179
0.0179
1
1.75
0.175
1.372
0.54
13.72
13.6
0.0136
0.03
0.133
0.635
0.25
6.35
MW
EI 009A 01 S316
0.16
0.063
1.6
0.023
0.009
0.23
175.5
0.1755
0.387
1.721
550
55
0.55
0.055
3.08
5.39
0.539
0.912
0.359
9.12
22.6
0.0226
0.0499
0.222
0.635
0.25
6.35
SS 316
EI 009A 02 S316
0.16
0.063
1.6
0.023
0.009
0.23
175.5
0.1755
0.387
1.721
402
40.2
0.402
0.0402
2.25
3.94
0.394
1.173
0.462
11.73
22.6
0.0226
0.0499
0.222
0.795
0.313
7.95
SS 316
EI 009A 03 S
0.16
0.063
1.6
0.023
0.009
0.23
234.2
0.2342
0.5164
2.297
313
31.3
0.313
0.0313
1.75
3.06
0.306
1.638
0.645
16.38
22.6
0.0226
0.0499
0.222
0.953
0.375
9.53
SS
EI 009A 03 M
0.16
0.063
1.6
0.023
0.009
0.23
281.2
0.2812
0.62
2.758
375
37.5
0.375
0.0375
2.1
3.68
0.368
1.638
0.645
16.38
27.2
0.0272
0.06
0.267
0.953
0.375
9.53
MW
EI 009A 02 S
0.16
0.063
1.6
0.023
0.009
0.23
234.2
0.2342
0.5164
2.297
402
40.2
0.402
0.0402
2.25
3.94
0.394
1.328
0.523
13.28
22.6
0.0226
0.0499
0.222
0.795
0.313
7.95
SS
EI 009A 01 S
0.16
0.063
1.6
0.023
0.009
0.23
234.2
0.2342
0.5164
2.297
550
55
0.55
0.055
3.08
5.39
0.539
1.016
0.4
10.16
22.6
0.0226
0.0499
0.222
0.635
0.25
6.35
SS
EI 009A 05 M
0.16
0.063
1.6
0.023
0.009
0.23
281.2
0.2812
0.62
2.758
250
25
0.25
0.025
1.4
2.45
0.245
2.286
0.9
22.86
27.2
0.0272
0.06
0.267
1.27
0.5
12.7
MW
EI 009A 04 S316
0.16
0.063
1.6
0.023
0.009
0.23
175.5
0.1755
0.387
1.721
254
25.4
0.254
0.0254
1.42
2.49
0.249
1.715
0.675
17.15
22.6
0.0226
0.0499
0.222
1.113
0.438
11.13
SS 316
EI 009A 04 S
0.16
0.063
1.6
0.023
0.009
0.23
234.2
0.2342
0.5164
2.297
254
25.4
0.254
0.0254
1.42
2.49
0.249
1.951
0.768
19.51
22.6
0.0226
0.0499
0.222
1.113
0.438
11.13
SS
EI 009A 06 S
0.16
0.063
1.6
0.023
0.009
0.23
234.2
0.2342
0.5164
2.297
164
16.4
0.164
0.0164
0.92
1.61
0.161
2.883
1.135
28.83
22.6
0.0226
0.0499
0.222
1.588
0.625
15.88
SS
EI 009A 06 M
0.16
0.063
1.6
0.023
0.009
0.23
281.2
0.2812
0.62
2.758
196
19.6
0.196
0.0196
1.1
1.93
0.193
2.883
1.135
28.83
27.2
0.0272
0.06
0.267
1.588
0.625
15.88
MW
EI 009A 04 M
0.16
0.063
1.6
0.023
0.009
0.23
281.2
0.2812
0.62
2.758
304
30.4
0.304
0.0304
1.7
2.98
0.298
1.951
0.768
19.51
27.2
0.0272
0.06
0.267
1.113
0.438
11.13
MW
EI 009A 07 M
0.16
0.063
1.6
0.023
0.009
0.23
281.2
0.2812
0.62
2.758
154
15.4
0.154
0.0154
0.86
1.51
0.151
3.556
1.4
35.56
27.2
0.0272
0.06
0.267
1.905
0.75
19.05
MW

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large selection of springs

Selection

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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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today.

Expert Engineering Assistance

on Stock and Custom Springs

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LeeSpring

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