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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 - Stainless Steel
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.)

ASR Part Number

Initial Tension (lbs)

Ends

Quantity
M420037112SS N/A
205084
N/A 1.12 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 1.12 inches N/A 4.6 lbs/in N/A E04200371120S N/A 0.42 pounds N/A Full Twist Loop
M420037125SS N/A
205085
N/A 1.25 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 1.25 inches N/A 3.2 lbs/in N/A E04200371250S N/A 0.42 pounds N/A Full Twist Loop
M420037137SS N/A
205086
N/A 1.37 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 1.37 inches N/A 2.6 lbs/in N/A E04200371370S N/A 0.42 pounds N/A Full Twist Loop
M420037150SS N/A
205087
N/A 1.50 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 1.50 inches N/A 2.1 lbs/in N/A E04200371500S N/A 0.42 pounds N/A Full Twist Loop
M420037175SS N/A
205088
N/A 1.75 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 1.75 inches N/A 1.6 lbs/in N/A E04200371750S N/A 0.42 pounds N/A Full Twist Loop
M420037200SS N/A
205089
N/A 2 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 2.00 inches N/A 1.2 lbs/in N/A E04200372000S N/A 0.42 pounds N/A Full Twist Loop
M420037225SS N/A
205090
N/A 2.25 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 2.25 inches N/A 1.0 lbs/in N/A E04200372250S N/A 0.42 pounds N/A Full Twist Loop
M420037250SS N/A
205091
N/A 2.5 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 2.50 inches N/A 0.8 lbs/in N/A E04200372500S N/A 0.42 pounds N/A Full Twist Loop
M420037275SS N/A
205092
N/A 2.75 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 2.75 inches N/A 0.7 lbs/in N/A E04200372750S N/A 0.42 pounds N/A Full Twist Loop
M420037300SS N/A
205093
N/A 3 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.037 inches N/A 3.00 inches N/A 0.7 lbs/in N/A E04200373000S N/A 0.42 pounds N/A Full Twist Loop
M420045100SS N/A
205094
N/A 1.00 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 1.00 inches N/A 18.3 lbs/in N/A E04200451000S N/A 0.68 pounds N/A Full Twist Loop
M420045112SS N/A
205095
N/A 1.12 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 1.12 inches N/A 12.0 lbs/in N/A E04200451120S N/A 0.68 pounds N/A Full Twist Loop
M420045125SS N/A
205096
N/A 1.25 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 1.25 inches N/A 8.7 lbs/in N/A E04200451250S N/A 0.68 pounds N/A Full Twist Loop
M420045137SS N/A
205097
N/A 1.37 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 1.37 inches N/A 7.0 lbs/in N/A E04200451370S N/A 0.68 pounds N/A Full Twist Loop
M420045150SS N/A
205098
N/A 1.50 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 1.50 inches N/A 5.7 lbs/in N/A E04200451500S N/A 0.68 pounds N/A Full Twist Loop
M420045175SS N/A
205099
N/A 1.75 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 1.75 inches N/A 4.2 lbs/in N/A E04200451750S N/A 0.68 pounds N/A Full Twist Loop
M420045200SS N/A
205100
N/A 2 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 2.00 inches N/A 3.4 lbs/in N/A E04200452000S N/A 0.68 pounds N/A Full Twist Loop
M420045225SS N/A
205101
N/A 2.25 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 2.25 inches N/A 2.8 lbs/in N/A E04200452250S N/A 0.68 pounds N/A Full Twist Loop
M420045250SS N/A
205102
N/A 2.5 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 2.50 inches N/A 2.4 lbs/in N/A E04200452500S N/A 0.68 pounds N/A Full Twist Loop
M420045275SS N/A
205103
N/A 2.75 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 2.75 inches N/A 2.1 lbs/in N/A E04200452750S N/A 0.68 pounds N/A Full Twist Loop
M420045300SS N/A
205104
N/A 3 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.045 inches N/A 3.00 inches N/A 1.9 lbs/in N/A E04200453000S N/A 0.68 pounds N/A Full Twist Loop
M420055100SS N/A
205105
N/A 1.00 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.055 inches N/A 1.00 inches N/A 47.1 lbs/in N/A E04200551000S N/A 1.17 pounds N/A Full Twist Loop
M420055112SS N/A
205106
N/A 1.12 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.055 inches N/A 1.12 inches N/A 32.3 lbs/in N/A E04200551120S N/A 1.17 pounds N/A Full Twist Loop
M420055125SS N/A
205107
N/A 1.25 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.055 inches N/A 1.25 inches N/A 24.2 lbs/in N/A E04200551250S N/A 1.17 pounds N/A Full Twist Loop
M420055137SS N/A
205108
N/A 1.37 inches N/A 0.420 inches N/A 0.420 inches N/A 0.420 inches N/A 0.055 inches N/A 1.37 inches N/A 19.6 lbs/in N/A E04200551370S N/A 1.17 pounds N/A Full Twist Loop
Unit of Measure
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