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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 148L 07 S
3.81
1.5
38.1
0.376
0.148
3.76
27858.8
27.8588
61.417
273.196
1366
136.6
1.366
0.1366
7.65
13.4
1.34
37.506
14.766
375.06
2644.4
2.6444
5.8299
25.933
19.05
7.5
190.5
SS
LE 148L 08 M
3.81
1.5
38.1
0.376
0.148
3.76
32037.8
32.0378
70.63
314.178
1411
141.1
1.411
0.1411
7.9
13.84
1.384
40.874
16.092
408.74
3039.1
3.0391
6.7
29.803
20.32
8
203.2
MW
LE 148L 08 S
3.81
1.5
38.1
0.376
0.148
3.76
27858.8
27.8588
61.417
273.196
1227
122.7
1.227
0.1227
6.87
12.03
1.203
40.871
16.091
408.71
2644.5
2.6445
5.83
25.933
20.32
8
203.2
SS
LE 177L 01 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
10697
1069.7
10.697
1.0697
59.9
104.9
10.49
16.093
6.336
160.93
4976
4.976
10.97
48.797
11.43
4.5
114.3
MW
LE 177L 01 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
9302
930.2
9.302
0.9302
52.09
91.23
9.123
16.093
6.336
160.93
4327.3
4.3273
9.5399
42.436
11.43
4.5
114.3
SS
LE 177L 02 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
8375
837.5
8.375
0.8375
46.9
82.14
8.214
18.656
7.345
186.56
4976
4.976
10.97
48.797
12.7
5
127
MW
LE 177L 02 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
7282
728.2
7.282
0.7282
40.78
71.42
7.142
18.656
7.345
186.56
4327.3
4.3273
9.5399
42.436
12.7
5
127
SS
LE 177L 03 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
6875
687.5
6.875
0.6875
38.5
67.43
6.743
21.227
8.357
212.27
4976
4.976
10.97
48.797
13.97
5.5
139.7
MW
LE 177L 03 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
5979
597.9
5.979
0.5979
33.481
58.64
5.864
21.227
8.357
212.27
4327.3
4.3273
9.5399
42.436
13.97
5.5
139.7
SS
LE 177L 04 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
5840
584
5.84
0.584
32.7
57.27
5.727
23.785
9.364
237.85
4976
4.976
10.97
48.797
15.24
6
152.4
MW
LE 177L 04 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
5077
507.7
5.077
0.5077
28.43
49.79
4.979
23.785
9.364
237.85
4327.3
4.3273
9.5399
42.436
15.24
6
152.4
SS
LE 177L 05 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
5072
507.2
5.072
0.5072
28.4
49.74
4.974
26.347
10.373
263.47
4976
4.976
10.97
48.797
16.51
6.5
165.1
MW
LE 177L 05 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
4411
441.1
4.411
0.4411
24.7
43.26
4.326
26.345
10.372
263.45
4327.3
4.3273
9.5399
42.436
16.51
6.5
165.1
SS
LE 177L 06 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
4482
448.2
4.482
0.4482
25.1
43.96
4.396
28.91
11.382
289.1
4976
4.976
10.97
48.797
17.78
7
177.8
MW
LE 177L 06 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
3899
389.9
3.899
0.3899
21.831
38.23
3.823
28.908
11.381
289.08
4327.3
4.3273
9.5399
42.436
17.78
7
177.8
SS
LE 177L 07 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
4018
401.8
4.018
0.4018
22.5
39.4
3.94
31.466
12.388
314.66
4976
4.976
10.97
48.797
19.05
7.5
190.5
MW
LE 177L 07 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
3495
349.5
3.495
0.3495
19.57
34.27
3.427
31.463
12.387
314.63
4327.3
4.3273
9.5399
42.436
19.05
7.5
190.5
SS
LE 177L 08 M
3.81
1.5
38.1
0.45
0.177
4.5
54867.5
54.8675
120.96
538.057
3625
362.5
3.625
0.3625
20.3
35.55
3.555
34.082
13.418
340.82
4976
4.976
10.97
48.797
20.32
8
203.2
MW
LE 177L 08 S
3.81
1.5
38.1
0.45
0.177
4.5
47711
47.711
105.183
467.877
3152
315.2
3.152
0.3152
17.65
30.91
3.091
34.084
13.419
340.84
4327.3
4.3273
9.5399
42.436
20.32
8
203.2
SS
LE 148N 01 M
4.445
1.75
44.45
0.376
0.148
3.76
29180.1
29.1801
64.33
286.154
2679
267.9
2.679
0.2679
15
26.27
2.627
22.614
8.903
226.14
2626.3
2.6263
5.79
25.755
12.7
5
127
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

Guaranteed RoHS Compliance

on all Stock Springs

engineering and customer service support

Support

Engineering and
Customer Service teams ready to assist.

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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