Springs and Spring Washers - Electronic Fasteners Inc

Outside
Diameter (OD)
Catalog Number
Wire
Diameter (d)
Free Length
L, Approx
Ext.
L1
Load P
at L1
Initial Tension,
T (Ref. only)
Spring Rate
R
in in in in
mm mm mm mm lb N lb N lb/in N/mm
Load P
at L1
Initial Tension,
T (Ref. only)
Spring Rate
R
lb N lb N lb/in N/mm
10.66
14.38
17.24
25.67
34.33
45.78
58.05
47.43
63.96
76.70
114.20
152.69
203.64
258.21
1.00
1.29
1.58
2.31
3.09
4.12
5.22
4.45
5.74
7.04
10.26
13.74
18.34
23.23
2.17
1.67
1.42
1.17
1.00
0.92
10.16
7.08
5.50
4.41
3.75
2.83
2.33
1.92
1.67
13.49
9.83
7.75
6.58
5.58
4.33
3.50
2.92
2.58
2.25
2.00
28.24
20.33
15.83
12.99
11.00
8.41
6.83
5.75
5.00
49.56
36.57
27.74
23.16
19.83
15.08
12.41
10.33
9.00
7.91
7.08
83.47
60.31
47.15
38.73
32.90
25.82
20.83
17.74
15.24
125.87
96.21
74.39
62.89
54.56
41.98
0.38
0.29
0.25
0.20
0.18
0.16
1.78
1.24
0.96
0.77
0.66
0.50
0.41
0.34
0.29
2.37
1.72
1.36
1.15
0.98
0.76
0.61
0.51
0.45
0.39
0.35
4.95
3.56
2.77
2.27
1.92
1.47
1.20
1.01
0.88
8.68
6.41
4.86
4.06
3.47
2.64
2.17
1.81
1.58
1.39
1.24
14.62
10.56
8.26
6.78
5.76
4.52
3.65
3.11
2.67
22.04
16.84
13.03
11.01
9.56
7.36
E0750-063-3000-M
E0750-063-3500-M
E0750-063-4000-M
E0750-063-4500-M
E0750-063-5000-M
E0750-063-5500-M
E0750-069-2000-M
E0750-069-2250-M
E0750-069-2500-M
E0750-069-2750-M
E0750-069-3000-M
E0750-069-3500-M
E0750-069-4000-M
E0750-069-4500-M
E0750-069-5000-M
E0750-075-2000-M
E0750-075-2250-M
E0750-075-2500-M
E0750-075-2750-M
E0750-075-3000-M
E0750-075-3500-M
E0750-075-4000-M
E0750-075-4500-M
E0750-075-5000-M
E0750-075-5500-M
E0750-075-6000-M
E0750-085-2000-M
E0750-085-2250-M
E0750-085-2500-M
E0750-085-2750-M
E0750-085-3000-M
E0750-085-3500-M
E0750-085-4000-M
E0750-085-4500-M
E0750-085-5000-M
E0750-095-2000-M
E0750-095-2250-M
E0750-095-2500-M
E0750-095-2750-M
E0750-095-3000-M
E0750-095-3500-M
E0750-095-4000-M
E0750-095-4500-M
E0750-095-5000-M
E0750-095-5500-M
E0750-095-6000-M
E0750-105-2000-M
E0750-105-2250-M
E0750-105-2500-M
E0750-105-2750-M
E0750-105-3000-M
E0750-105-3500-M
E0750-105-4000-M
E0750-105-4500-M
E0750-105-5000-M
E0750-115-2000-M
E0750-115-2250-M
E0750-115-2500-M
E0750-115-2750-M
E0750-115-3000-M
E0750-115-3500-M
19.05
0.750
0.063
0.069
0.075
0.085
0.095
0.105
0.115
1.60
1.75
1.91
2.16
2.41
2.67
2.92
3.000
3.500
4.000
4.500
5.000
5.500
2.000
2.250
2.500
2.750
3.000
3.500
4.000
4.500
5.000
2.000
2.250
2.500
2.750
3.000
3.500
4.000
4.500
5.000
5.500
6.000
2.000
2.250
2.500
2.750
3.000
3.500
4.000
4.500
5.000
2.000
2.250
2.500
2.750
3.000
3.500
4.000
4.500
5.000
5.500
6.000
2.000
2.250
2.500
2.750
3.000
3.500
4.000
4.500
5.000
2.000
2.250
2.500
2.750
3.000
3.500
7.35
9.05
10.84
12.63
14.42
16.75
3.29
4.10
4.89
5.69
6.50
8.10
9.70
11.31
12.91
3.16
3.83
4.51
5.13
5.80
7.09
8.45
9.74
11.03
12.83
14.23
2.83
3.40
3.97
4.55
5.12
6.27
7.41
8.56
9.71
2.63
3.10
3.62
4.10
4.57
5.57
6.52
7.51
8.46
9.46
10.41
2.50
2.94
3.38
3.83
4.27
5.11
6.00
6.84
7.73
2.42
2.80
3.21
3.59
3.97
4.76
186.69
229.87
275.34
320.80
366.27
425.45
83.57
104.14
124.21
144.53
165.10
205.74
246.38
287.27
327.91
80.26
97.28
114.55
130.30
147.32
180.09
214.63
247.40
280.16
325.88
361.44
71.88
86.36
100.84
115.57
130.05
159.26
188.21
217.42
246.63
66.80
78.74
91.95
104.14
116.08
141.48
165.61
190.75
214.88
240.28
264.41
63.50
74.68
85.85
97.28
108.46
129.90
152.40
173.74
196.34
61.47
71.12
81.53
91.19
100.84
120.90
76.20
88.90
101.60
114.30
127.00
139.70
50.80
57.15
63.50
69.85
76.20
88.90
101.60
114.30
127.00
50.80
57.15
63.50
69.85
76.20
88.90
101.60
114.30
127.00
139.70
152.40
50.80
57.15
63.50
69.85
76.20
88.90
101.60
114.30
127.00
50.80
57.15
63.50
69.85
76.20
88.90
101.60
114.30
127.00
139.70
152.40
50.80
57.15
63.50
69.85
76.20
88.90
101.60
114.30
127.00
50.80
57.15
63.50
69.85
76.20
88.90
12.80
17.26
20.70
30.82
41.21
54.96
69.69
56.94
76.78
92.08
137.09
183.30
244.46
309.98
1.20
1.55
1.90
2.77
3.71
4.95
6.27
5.34
6.89
8.45
12.32
16.50
22.02
27.89
2.6
2.0
1.7
1.4
1.2
1.1
12.2
8.5
6.6
5.3
4.5
3.4
2.8
2.3
2.0
16.2
11.8
9.3
7.9
6.7
5.2
4.2
3.5
3.1
2.7
2.4
33.9
24.4
19.0
15.6
13.2
10.1
8.2
6.9
6.0
59.5
43.9
33.3
27.8
23.8
18.1
14.9
12.4
10.8
9.5
8.5
100.2
72.4
56.6
46.5
39.5
31.0
25.0
21.3
18.3
151.1
115.5
89.3
75.5
65.5
50.4
0.455
0.350
0.298
0.245
0.210
0.193
2.140
1.490
1.156
0.928
0.788
0.595
0.490
0.403
0.350
2.840
2.070
1.629
1.384
1.173
0.911
0.736
0.613
0.543
0.473
0.420
5.940
4.270
3.330
2.730
2.310
1.769
1.436
1.208
1.051
10.420
7.690
5.830
4.870
4.170
3.170
2.610
2.170
1.891
1.664
1.489
17.550
12.680
9.910
8.140
6.920
5.430
4.380
3.730
3.200
26.460
20.220
15.640
13.220
11.470
8.830
Catalog Number
E0750-063-3000-S
E0750-063-3500-S
E0750-063-4000-S
E0750-063-4500-S
E0750-063-5000-S
E0750-063-5500-S
E0750-069-2000-S
E0750-069-2250-S
E0750-069-2500-S
E0750-069-2750-S
E0750-069-3000-S
E0750-069-3500-S
E0750-069-4000-S
E0750-069-4500-S
E0750-069-5000-S
E0750-075-2000-S
E0750-075-2250-S
E0750-075-2500-S
E0750-075-2750-S
E0750-075-3000-S
E0750-075-3500-S
E0750-075-4000-S
E0750-075-4500-S
E0750-075-5000-S
E0750-075-5500-S
E0750-075-6000-S
E0750-085-2000-S
E0750-085-2250-S
E0750-085-2500-S
E0750-085-2750-S
E0750-085-3000-S
E0750-085-3500-S
E0750-085-4000-S
E0750-085-4500-S
E0750-085-5000-S
E0750-095-2000-S
E0750-095-2250-S
E0750-095-2500-S
E0750-095-2750-S
E0750-095-3000-S
E0750-095-3500-S
E0750-095-4000-S
E0750-095-4500-S
E0750-095-5000-S
E0750-095-5500-S
E0750-095-6000-S
E0750-105-2000-S
E0750-105-2250-S
E0750-105-2500-S
E0750-105-2750-S
E0750-105-3000-S
E0750-105-3500-S
E0750-105-4000-S
E0750-105-4500-S
E0750-105-5000-S
E0750-115-2000-S
E0750-115-2250-S
E0750-115-2500-S
E0750-115-2750-S
E0750-115-3000-S
E0750-115-3500-S
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MUSIC WIRE
STAINLESS STEEL
EXTENSION SPRINGS
80