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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
LE 115K 05 S
3.175
1.25
31.75
0.292
0.115
2.92
17003.2
17.0032
37.485
166.742
1034
103.4
1.034
0.1034
5.79
10.14
1.014
27.584
10.86
275.84
1605.8
1.6058
3.5402
15.748
12.7
5
127
SS
LE 115K 06 M
3.175
1.25
31.75
0.292
0.115
2.92
20412
20.412
45
200.17
1055
105.5
1.055
0.1055
5.91
10.35
1.035
31.496
12.4
314.96
1927.8
1.9278
4.25
18.905
13.97
5.5
139.7
MW
LE 115K 06 S
3.175
1.25
31.75
0.292
0.115
2.92
17003.2
17.0032
37.485
166.742
879
87.9
0.879
0.0879
4.92
8.62
0.862
31.496
12.4
314.96
1605.8
1.6058
3.5402
15.748
13.97
5.5
139.7
SS
LE 115K 07 M
3.175
1.25
31.75
0.292
0.115
2.92
20412
20.412
45
200.17
918
91.8
0.918
0.0918
5.14
9
0.9
35.382
13.93
353.82
1927.8
1.9278
4.25
18.905
15.24
6
152.4
MW
LE 115K 07 S
3.175
1.25
31.75
0.292
0.115
2.92
17003.2
17.0032
37.485
166.742
764
76.4
0.764
0.0764
4.28
7.5
0.75
35.382
13.93
353.82
1605.8
1.6058
3.5402
15.748
15.24
6
152.4
SS
LE 115K 08 M
3.175
1.25
31.75
0.292
0.115
2.92
20412
20.412
45
200.17
813
81.3
0.813
0.0813
4.55
7.97
0.797
39.268
15.46
392.68
1927.8
1.9278
4.25
18.905
16.51
6.5
165.1
MW
LE 115K 08 S
3.175
1.25
31.75
0.292
0.115
2.92
17003.2
17.0032
37.485
166.742
677
67.7
0.677
0.0677
3.79
6.64
0.664
39.268
15.46
392.68
1605.8
1.6058
3.5402
15.748
16.51
6.5
165.1
SS
LE 115K 09 M
3.175
1.25
31.75
0.292
0.115
2.92
20412
20.412
45
200.17
729
72.9
0.729
0.0729
4.08
7.15
0.715
43.155
16.99
431.55
1927.8
1.9278
4.25
18.905
17.78
7
177.8
MW
LE 115K 09 S
3.175
1.25
31.75
0.292
0.115
2.92
17003.2
17.0032
37.485
166.742
607
60.7
0.607
0.0607
3.4
5.95
0.595
43.155
16.99
431.55
1605.8
1.6058
3.5402
15.748
17.78
7
177.8
SS
LE 115K 10 M
3.175
1.25
31.75
0.292
0.115
2.92
20412
20.412
45
200.17
661
66.1
0.661
0.0661
3.7
6.48
0.648
47.015
18.51
470.15
1927.8
1.9278
4.25
18.905
19.05
7.5
190.5
MW
LE 115K 10 S
3.175
1.25
31.75
0.292
0.115
2.92
17003.2
17.0032
37.485
166.742
550
55
0.55
0.055
3.08
5.39
0.539
47.015
18.51
470.15
1605.8
1.6058
3.5402
15.748
19.05
7.5
190.5
SS
LE 135K 01 M
3.175
1.25
31.75
0.343
0.135
3.43
29484
29.484
65
289.134
7232
723.2
7.232
0.7232
40.5
70.93
7.093
11.938
4.7
119.38
2812.3
2.8123
6.2
27.579
8.255
3.25
82.55
MW
LE 135K 01 S
3.175
1.25
31.75
0.343
0.135
3.43
24560.2
24.5602
54.145
240.849
6025
602.5
6.025
0.6025
33.74
59.09
5.909
11.938
4.7
119.38
2342.7
2.3427
5.1646
22.973
8.255
3.25
82.55
SS
LE 135K 02 M
3.175
1.25
31.75
0.343
0.135
3.43
29484
29.484
65
289.134
6143
614.3
6.143
0.6143
34.4
60.25
6.025
13.233
5.21
132.33
2812.3
2.8123
6.2
27.579
8.89
3.5
88.9
MW
LE 135K 02 S
3.175
1.25
31.75
0.343
0.135
3.43
24560.2
24.5602
54.145
240.849
5118
511.8
5.118
0.5118
28.66
50.19
5.019
13.233
5.21
132.33
2342.7
2.3427
5.1646
22.973
8.89
3.5
88.9
SS
LE 135K 03 M
3.175
1.25
31.75
0.343
0.135
3.43
29484
29.484
65
289.134
4554
455.4
4.554
0.4554
25.5
44.66
4.466
16.027
6.31
160.27
2812.3
2.8123
6.2
27.579
10.16
4
101.6
MW
LE 135K 03 S
3.175
1.25
31.75
0.343
0.135
3.43
24560.2
24.5602
54.145
240.849
3793
379.3
3.793
0.3793
21.24
37.2
3.72
16.027
6.31
160.27
2342.7
2.3427
5.1646
22.973
10.16
4
101.6
SS
LE 135K 04 M
3.175
1.25
31.75
0.343
0.135
3.43
29484
29.484
65
289.134
3518
351.8
3.518
0.3518
19.7
34.5
3.45
18.999
7.48
189.99
2812.3
2.8123
6.2
27.579
11.43
4.5
114.3
MW
LE 135K 04 S
3.175
1.25
31.75
0.343
0.135
3.43
24560.2
24.5602
54.145
240.849
2930
293
2.93
0.293
16.41
28.74
2.874
18.999
7.48
189.99
2342.7
2.3427
5.1646
22.973
11.43
4.5
114.3
SS
LE 135K 05 M
3.175
1.25
31.75
0.343
0.135
3.43
29484
29.484
65
289.134
2929
292.9
2.929
0.2929
16.4
28.72
2.872
21.819
8.59
218.19
2812.3
2.8123
6.2
27.579
12.7
5
127
MW

Why Choose Lee Spring?

large selection of springs

Selection

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

FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

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

Guaranteed RoHS Compliance

on all Stock Springs

engineering and customer service support

Support

Engineering and
Customer Service teams ready to assist.

Live Customer Service Support

at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

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allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world

Quick Catalog Request Form

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LeeSpring

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