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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.

Extension Spring - Music Wire
Extension Spring - Stainless Steel
Unit of Measure
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Item #

IntegrationID

Height

Depth

Width

Outside Dia (In.)

Wire Dia (In.)

Free Length (In.)

Spring Rate (lbs./In.)

Initial Tension (lbs)

Ends

Quantity
M360055300M N/A
206124
N/A 3.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 3.00 Inch N/A 10.8 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M360055350M N/A
206125
N/A 3.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 3.50 Inch N/A 9.0 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M03600554000 N/A
206126
N/A 4.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 4.00 Inch N/A 7.7 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M03600554500 N/A
206127
N/A 4.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 4.50 Inch N/A 6.7 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M03600555000 N/A
206128
N/A 5.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 5.00 Inch N/A 5.8 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M03600555500 N/A
206129
N/A 5.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 5.50 Inch N/A 5.2 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M03600556000 N/A
206130
N/A 6.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.055 Inch N/A 6.00 Inch N/A 4.7 lbs/in N/A 1.60 Pound N/A Full Twist Loop
M03600581000 N/A
206131
N/A 1.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 1.00 Inch N/A 84.5 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600581120 N/A
206132
N/A 1.12 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 1.12 Inch N/A 65.2 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600581250 N/A
206133
N/A 1.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 1.25 Inch N/A 52.3 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600581370 N/A
206134
N/A 1.37 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 1.37 Inch N/A 44.2 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600581500 N/A
206135
N/A 1.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 1.50 Inch N/A 37.8 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600581750 N/A
206136
N/A 1.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 1.75 Inch N/A 29.7 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600582000 N/A
206137
N/A 2.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 2.00 Inch N/A 24.4 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600582250 N/A
206138
N/A 2.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 2.25 Inch N/A 20.7 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600582500 N/A
206139
N/A 2.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 2.50 Inch N/A 18.0 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600582750 N/A
206140
N/A 2.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 2.75 Inch N/A 15.9 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600583000 N/A
206141
N/A 3.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 3.00 Inch N/A 14.2 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600583500 N/A
206142
N/A 3.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 3.50 Inch N/A 11.8 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600584000 N/A
206143
N/A 4.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 4.00 Inch N/A 10.1 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600584500 N/A
206144
N/A 4.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 4.50 Inch N/A 8.7 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600585000 N/A
206145
N/A 5.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 5.00 Inch N/A 7.8 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600585500 N/A
206146
N/A 5.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 5.50 Inch N/A 7.0 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M03600586000 N/A
206147
N/A 6.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.058 Inch N/A 6.00 Inch N/A 6.4 lbs/in N/A 1.89 Pound N/A Full Twist Loop
M04200371000 N/A
206148
N/A 1.000 Inch N/A 0.420 Inch N/A 0.420 Inch N/A 0.420 Inch N/A 0.037 Inch N/A 1.00 Inch N/A 8.8 lbs/in N/A 0.50 Pound N/A Full Twist Loop
Unit of Measure
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