Extension Spring - Music Wire

Mechanical Extension Springs are coiled products, in a variety of materials and forms. Extension springs are attached to two components from both ends of the spring, and when the components pull apart, the spring tries to pull the components together again. Extension Springs are wound to oppose extension.

Dependant on the application's load requirements, the springs initial tension can be manipulated. They are often tightly wound in the no-load position and have hooks, eyes, or spring anchors at the ends to attach to the components. Each spring is designed within proper stress levels and manufacturing limits.

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Outside Dia (In.) (Inch)

Wire Dia (In.) (Inch)

Free Length (In.) (Inch)

Spring Rate (lbs./In.) (lbs/in)

Item #	IntegrationID	Height	Depth	Width	Outside Dia (In.)	Wire Dia (In.)	Free Length (In.)	Spring Rate (lbs./In.)	Initial Tension (lbs)	Ends

M00940130750	N/A 205649	N/A 0.750 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.013 Inch	N/A 0.75 Inch	N/A 1.7 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M00940130880	N/A 205650	N/A 0.88 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.013 Inch	N/A 0.88 Inch	N/A 1.4 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M00940131000	N/A 205651	N/A 1.000 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.013 Inch	N/A 1.00 Inch	N/A 1.2 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M00940140380	N/A 205652	N/A 0.38 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 0.38 Inch	N/A 7.1 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940140440	N/A 205653	N/A 0.44 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 0.44 Inch	N/A 5.5 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940140500	N/A 205654	N/A 0.500 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 0.50 Inch	N/A 4.6 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940140620	N/A 205655	N/A 0.62 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 0.62 Inch	N/A 3.4 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940140750	N/A 205656	N/A 0.750 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 0.75 Inch	N/A 2.7 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940140880	N/A 205657	N/A 0.88 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 0.88 Inch	N/A 2.2 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940141000	N/A 205658	N/A 1.000 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.014 Inch	N/A 1.00 Inch	N/A 1.9 lbs/in	N/A 0.17 Pound	N/A Full Twist Loop
M00940160380	N/A 205659	N/A 0.38 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 0.38 Inch	N/A 14.2 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M00940160440	N/A 205660	N/A 0.44 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 0.44 Inch	N/A 11.0 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M00940160500	N/A 205661	N/A 0.500 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 0.50 Inch	N/A 9.2 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M00940160620	N/A 205662	N/A 0.62 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 0.62 Inch	N/A 6.8 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M00940160750	N/A 205663	N/A 0.750 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 0.75 Inch	N/A 5.3 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M00940160880	N/A 205664	N/A 0.88 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 0.88 Inch	N/A 4.4 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M00940161000	N/A 205665	N/A 1.000 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.094 Inch	N/A 0.016 Inch	N/A 1.00 Inch	N/A 3.7 lbs/in	N/A 0.19 Pound	N/A Full Twist Loop
M120014062M	N/A 205666	N/A 0.62 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 0.62 Inch	N/A 1.6 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M120014075M	N/A 205667	N/A 0.750 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 0.75 Inch	N/A 1.2 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M120014088M	N/A 205668	N/A 0.88 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 0.88 Inch	N/A 1.0 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M120014100M	N/A 205669	N/A 1.000 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 1.00 Inch	N/A 0.8 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M120014112M	N/A 205670	N/A 1.12 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 1.12 Inch	N/A 0.7 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M120014125M	N/A 205671	N/A 1.250 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 1.25 Inch	N/A 0.6 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M01200141370	N/A 205672	N/A 1.37 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 1.37 Inch	N/A 0.6 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop
M120014150M	N/A 205673	N/A 1.500 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.120 Inch	N/A 0.014 Inch	N/A 1.50 Inch	N/A 0.5 lbs/in	N/A 0.10 Pound	N/A Full Twist Loop

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No Preference
0.007
0.008
0.009
0.010
0.011
0.012
0.013
0.014
0.016
0.018
0.020
0.022
0.024
0.026
0.029
0.031
0.034
0.037
0.039
0.041
0.045
0.049
0.055
0.058
0.063
0.069
0.075
0.085
0.095
0.105
0.115
0.125
0.135
0.148
0.177
0.207

No Preference
0.25
0.31
0.38
0.44
0.50
0.62
0.75
0.87
0.88
1.00
1.12
1.25
1.37
1.50
1.75
10.00
2.00
2.25
2.50
2.75
3.00
3.25
3.50
4.00
4.50
4.75
5.00
5.50
6.00
6.50
7.00
7.50
8.00
9.00

No Preference
0.1
0.138
0.2
0.24
0.3
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0.5
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0.7
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1.0
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10.0
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10.7
10.8
10.9
100.2
102.7
107.7
11.0
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11.5
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11.8
11.9
115.5
119.8
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12.7
12.8
12.9
123.9
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13.7
13.8
134.1
14.0
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143.8
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15.9
151.1
159.3
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16.7
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17.5
17.8
17.9
179.7
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18.7
18.9
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19.5
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2.0
2.1
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20.7
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202.8
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21.8
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22.8
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239.6
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24.7
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24.9
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25.5
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26.9
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27.7
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29.7
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3.8
3.9
30.2
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30.6
30.7
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32.7
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33.8
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34.6
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35.3
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36.6
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37.8
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38.5
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38.8
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39.5
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4.1
4.2
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4.4
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4.7
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4.9
40.9
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41.1
43.5
43.7
43.9
44.2
44.3
44.7
45.2
45.9
46.2
46.5
46.9
47.9
49.4
49.6
5.0
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
50.4
50.7
52.1
52.3
52.4
52.5
52.7
54.3
54.7
54.8
55.3
56.6
56.7
58.5
58.7
59.4
59.5
59.9
6.0
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
60.4
60.9
61.8
63.2
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64.6
65.2
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65.5
69.7
7.0
7.1
7.2
7.3
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7.6
7.7
7.8
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71.9
72.4
74.0
75.5
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76.5
77.7
79.9
8.0
8.1
8.2
8.3
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8.5
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8.7
8.8
8.9
80.2
84.5
84.6
87.3
89.3
9.0
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
92.9
93.3
98.4