Extension Spring - Stainless Steel

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.) (inches)

Wire Dia (In.) (inches)

Free Length (In.) (inches)

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

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

M180018125SS	N/A 204668	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.018 inches	N/A 1.25 inches	N/A 0.6 lbs/in	N/A E01800181250S	N/A 0.12 pounds	N/A Full Twist Loop
M180020125SS	N/A 204680	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.020 inches	N/A 1.25 inches	N/A 1.0 lbs/in	N/A E01800201250S	N/A 0.16 pounds	N/A Full Twist Loop
M180022125SS	N/A 204693	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.022 inches	N/A 1.25 inches	N/A 1.7 lbs/in	N/A E01800221250S	N/A 0.17 pounds	N/A Full Twist Loop
M180024125SS	N/A 204705	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.024 inches	N/A 1.25 inches	N/A 2.7 lbs/in	N/A E01800241250S	N/A 0.26 pounds	N/A Full Twist Loop
M180026125SS	N/A 204718	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.026 inches	N/A 1.25 inches	N/A 4.2 lbs/in	N/A E01800261250S	N/A 0.33 pounds	N/A Full Twist Loop
M180029125SS	N/A 204730	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.029 inches	N/A 1.25 inches	N/A 7.5 lbs/in	N/A E01800291250S	N/A 0.43 pounds	N/A Full Twist Loop
M180031125SS	N/A 204743	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.031 inches	N/A 1.25 inches	N/A 10.9 lbs/in	N/A E01800311250S	N/A 0.50 pounds	N/A Full Twist Loop
M180034125SS	N/A 204756	N/A 1.25 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.180 inches	N/A 0.034 inches	N/A 1.25 inches	N/A 18.0 lbs/in	N/A E01800341250S	N/A 0.67 pounds	N/A Full Twist Loop
M240018125SS	N/A 204768	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.018 inches	N/A 1.25 inches	N/A 0.2 lbs/in	N/A E02400181250S	N/A 0.09 pounds	N/A Full Twist Loop
M240022125SS	N/A 204778	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.022 inches	N/A 1.25 inches	N/A 0.7 lbs/in	N/A E02400221250S	N/A 0.16 pounds	N/A Full Twist Loop
M240026125SS	N/A 204792	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.026 inches	N/A 1.25 inches	N/A 1.7 lbs/in	N/A E02400261250S	N/A 0.25 pounds	N/A Full Twist Loop
M240029125SS	N/A 204810	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.029 inches	N/A 1.25 inches	N/A 3.2 lbs/in	N/A E02400291250S	N/A 0.33 pounds	N/A Full Twist Loop
M240031125SS	N/A 204828	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.031 inches	N/A 1.25 inches	N/A 4.4 lbs/in	N/A E02400311250S	N/A 0.42 pounds	N/A Full Twist Loop
M240034125SS	N/A 204846	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.034 inches	N/A 1.25 inches	N/A 7.4 lbs/in	N/A E02400341250S	N/A 0.54 pounds	N/A Full Twist Loop
M240037125SS	N/A 204863	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.037 inches	N/A 1.25 inches	N/A 11.7 lbs/in	N/A E02400371250S	N/A 0.67 pounds	N/A Full Twist Loop
M240041125SS	N/A 204880	N/A 1.25 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.240 inches	N/A 0.041 inches	N/A 1.25 inches	N/A 20.4 lbs/in	N/A E02400411250S	N/A 0.87 pounds	N/A Full Twist Loop
M300031125SS	N/A 204895	N/A 1.25 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.031 inches	N/A 1.25 inches	N/A 2.5 lbs/in	N/A E03000311250S	N/A 0.32 pounds	N/A Full Twist Loop
M300037125SS	N/A 204907	N/A 1.25 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.037 inches	N/A 1.25 inches	N/A 6.4 lbs/in	N/A E03000371250S	N/A 0.54 pounds	N/A Full Twist Loop
M300049125SS	N/A 204918	N/A 1.25 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.049 inches	N/A 1.25 inches	N/A 28.2 lbs/in	N/A E03000491250S	N/A 1.17 pounds	N/A Full Twist Loop
M300055125SS	N/A 204929	N/A 1.25 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.300 inches	N/A 0.055 inches	N/A 1.25 inches	N/A 52.7 lbs/in	N/A E03000551250S	N/A 1.60 pounds	N/A Full Twist Loop
M360026125SS	N/A 204940	N/A 1.25 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.026 inches	N/A 1.25 inches	N/A 0.7 lbs/in	N/A E03600261250S	N/A 0.17 pounds	N/A Full Twist Loop
M360031125SS	N/A 204947	N/A 1.25 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.031 inches	N/A 1.25 inches	N/A 1.6 lbs/in	N/A E03600311250S	N/A 0.27 pounds	N/A Full Twist Loop
M360034125SS	N/A 204958	N/A 1.25 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.034 inches	N/A 1.25 inches	N/A 2.7 lbs/in	N/A E03600341250S	N/A 0.36 pounds	N/A Full Twist Loop
M360037125SS	N/A 204974	N/A 1.25 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.037 inches	N/A 1.25 inches	N/A 3.9 lbs/in	N/A E03600371250S	N/A 0.42 pounds	N/A Full Twist Loop
M360039125SS	N/A 204989	N/A 1.25 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.360 inches	N/A 0.039 inches	N/A 1.25 inches	N/A 5.5 lbs/in	N/A E03600391250S	N/A 0.52 pounds	N/A Full Twist Loop

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