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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
M03600413000 N/A
206074
N/A 3.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 3.00 Inch N/A 2.2 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600413500 N/A
206075
N/A 3.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 3.50 Inch N/A 1.8 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600414000 N/A
206076
N/A 4.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 4.00 Inch N/A 1.5 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600414500 N/A
206077
N/A 4.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 4.50 Inch N/A 1.3 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M03600415000 N/A
206078
N/A 5.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.041 Inch N/A 5.00 Inch N/A 1.2 lbs/in N/A 0.70 Pound N/A Full Twist Loop
M360045075M N/A
206079
N/A 0.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 0.75 Inch N/A 76.5 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045100M N/A
206080
N/A 1.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 1.00 Inch N/A 21.8 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045112M N/A
206081
N/A 1.12 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 1.12 Inch N/A 16.4 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045125M N/A
206082
N/A 1.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 1.25 Inch N/A 13.6 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600451370 N/A
206083
N/A 1.37 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 1.37 Inch N/A 11.2 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045150M N/A
206084
N/A 1.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 1.50 Inch N/A 9.6 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045175M N/A
206085
N/A 1.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 1.75 Inch N/A 7.5 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045200M N/A
206086
N/A 2.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 2.00 Inch N/A 6.2 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045225M N/A
206087
N/A 2.250 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 2.25 Inch N/A 5.3 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045250M N/A
206088
N/A 2.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 2.50 Inch N/A 4.6 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360045275M N/A
206089
N/A 2.750 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 2.75 Inch N/A 4.1 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600453000 N/A
206090
N/A 3.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 3.00 Inch N/A 3.6 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600453500 N/A
206091
N/A 3.500 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 3.50 Inch N/A 3.0 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600454000 N/A
206092
N/A 4.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 4.00 Inch N/A 2.5 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600454500 N/A
206093
N/A 4.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 4.50 Inch N/A 2.2 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600455000 N/A
206094
N/A 5.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 5.00 Inch N/A 1.9 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600455500 N/A
206095
N/A 5.50 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 5.50 Inch N/A 1.7 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M03600456000 N/A
206096
N/A 6.00 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.045 Inch N/A 6.00 Inch N/A 1.6 lbs/in N/A 0.90 Pound N/A Full Twist Loop
M360049100M N/A
206097
N/A 1.000 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.049 Inch N/A 1.00 Inch N/A 36.0 lbs/in N/A 1.20 Pound N/A Full Twist Loop
M360049112M N/A
206098
N/A 1.12 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.360 Inch N/A 0.049 Inch N/A 1.12 Inch N/A 27.3 lbs/in N/A 1.20 Pound N/A Full Twist Loop
Unit of Measure
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