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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
M03600374000 N/A
206049
N/A 4.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.037 Inch N/A 4.00 Inch N/A 0.9 lbs/in N/A 0.50 Pound N/A Full Twist Loop
M03600374500 N/A
206050
N/A 4.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.037 Inch N/A 4.50 Inch N/A 0.8 lbs/in N/A 0.50 Pound N/A Full Twist Loop
M03600375000 N/A
206051
N/A 5.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.037 Inch N/A 5.00 Inch N/A 0.7 lbs/in N/A 0.50 Pound N/A Full Twist Loop
M03600391000 N/A
206052
N/A 1.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 1.00 Inch N/A 11.5 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600391120 N/A
206053
N/A 1.12 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 1.12 Inch N/A 8.5 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600391250 N/A
206054
N/A 1.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 1.25 Inch N/A 6.6 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600391370 N/A
206055
N/A 1.37 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 1.37 Inch N/A 5.5 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600391500 N/A
206056
N/A 1.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 1.50 Inch N/A 4.7 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600391750 N/A
206057
N/A 1.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 1.75 Inch N/A 3.6 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600392000 N/A
206058
N/A 2.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 2.00 Inch N/A 2.9 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600392250 N/A
206059
N/A 2.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 2.25 Inch N/A 2.5 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600392500 N/A
206060
N/A 2.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 2.50 Inch N/A 2.1 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600392750 N/A
206061
N/A 2.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 2.75 Inch N/A 1.9 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600393000 N/A
206062
N/A 3.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.039 Inch N/A 3.00 Inch N/A 1.7 lbs/in N/A 0.63 Pound N/A Full Twist Loop
M03600410750 N/A
206063
N/A 0.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 0.75 Inch N/A 52.7 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600411000 N/A
206064
N/A 1.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 1.00 Inch N/A 12.9 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600411120 N/A
206065
N/A 1.12 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 1.12 Inch N/A 9.9 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600411250 N/A
206066
N/A 1.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 1.25 Inch N/A 8.1 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600411370 N/A
206067
N/A 1.37 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 1.37 Inch N/A 6.8 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600411500 N/A
206068
N/A 1.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 1.50 Inch N/A 5.9 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600411750 N/A
206069
N/A 1.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 1.75 Inch N/A 4.6 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600412000 N/A
206070
N/A 2.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 2.00 Inch N/A 3.8 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600412250 N/A
206071
N/A 2.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 2.25 Inch N/A 3.2 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600412500 N/A
206072
N/A 2.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 2.50 Inch N/A 2.7 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600412750 N/A
206073
N/A 2.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 2.75 Inch N/A 2.4 lbs/in N/A 0.70 Pound N/A Full Twist Loop
Unit of Measure
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