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

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N/A
204538
N/A 0.25 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.008 inches N/A 0.25 inches N/A 1.7 lbs/in N/A E00630080250S N/A 0.03 pounds N/A Full Twist Loop
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204545
N/A 0.25 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.009 inches N/A 0.25 inches N/A 3.1 lbs/in N/A E00630090250S N/A 0.05 pounds N/A Full Twist Loop
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204552
N/A 0.25 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.011 inches N/A 0.25 inches N/A 9.2 lbs/in N/A E00630110250S N/A 0.08 pounds N/A Full Twist Loop
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204534
N/A 0.31 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.007 inches N/A 0.31 inches N/A 0.6 lbs/in N/A E00630070310S N/A 0.02 pounds N/A Full Twist Loop
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204539
N/A 0.31 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.008 inches N/A 0.31 inches N/A 1.2 lbs/in N/A E00630080310S N/A 0.03 pounds N/A Full Twist Loop
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204546
N/A 0.31 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.009 inches N/A 0.31 inches N/A 2.2 lbs/in N/A E00630090310S N/A 0.05 pounds N/A Full Twist Loop
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204553
N/A 0.31 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.011 inches N/A 0.31 inches N/A 6.6 lbs/in N/A E00630110310S N/A 0.08 pounds N/A Full Twist Loop
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204535
N/A 0.38 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.007 inches N/A 0.38 inches N/A 0.4 lbs/in N/A E00630070380S N/A 0.02 pounds N/A Full Twist Loop
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204540
N/A 0.38 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.008 inches N/A 0.38 inches N/A 0.9 lbs/in N/A E00630080380S N/A 0.03 pounds N/A Full Twist Loop
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204547
N/A 0.38 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.009 inches N/A 0.38 inches N/A 1.7 lbs/in N/A E00630090380S N/A 0.05 pounds N/A Full Twist Loop
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204554
N/A 0.38 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.011 inches N/A 0.38 inches N/A 4.9 lbs/in N/A E00630110380S N/A 0.08 pounds N/A Full Twist Loop
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204559
N/A 0.38 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.010 inches N/A 0.38 inches N/A 1.0 lbs/in N/A E00940100380S N/A 0.04 pounds N/A Full Twist Loop
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204566
N/A 0.38 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.011 inches N/A 0.38 inches N/A 1.6 lbs/in N/A E00940110380S N/A 0.05 pounds N/A Full Twist Loop
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204573
N/A 0.38 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.012 inches N/A 0.38 inches N/A 2.7 lbs/in N/A E00940120380S N/A 0.08 pounds N/A Full Twist Loop
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204580
N/A 0.38 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.013 inches N/A 0.38 inches N/A 3.8 lbs/in N/A E00940130380S N/A 0.08 pounds N/A Full Twist Loop
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204587
N/A 0.38 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.014 inches N/A 0.38 inches N/A 5.9 lbs/in N/A E00940140380S N/A 0.14 pounds N/A Full Twist Loop
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204594
N/A 0.38 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.016 inches N/A 0.38 inches N/A 11.8 lbs/in N/A E00940160380S N/A 0.16 pounds N/A Full Twist Loop
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204609
N/A 0.38 inches N/A 0.120 inches N/A 0.120 inches N/A 0.120 inches N/A 0.016 inches N/A 0.38 inches N/A 6.6 lbs/in N/A E01200160380S N/A 0.17 pounds N/A Full Twist Loop
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204621
N/A 0.38 inches N/A 0.120 inches N/A 0.120 inches N/A 0.120 inches N/A 0.018 inches N/A 0.38 inches N/A 12.0 lbs/in N/A E01200180380S N/A 0.17 pounds N/A Full Twist Loop
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204536
N/A 0.44 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.007 inches N/A 0.44 inches N/A 0.3 lbs/in N/A E00630070440S N/A 0.02 pounds N/A Full Twist Loop
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204541
N/A 0.44 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.008 inches N/A 0.44 inches N/A 0.7 lbs/in N/A E00630080440S N/A 0.03 pounds N/A Full Twist Loop
N/A
204548
N/A 0.44 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.009 inches N/A 0.44 inches N/A 1.4 lbs/in N/A E00630090440S N/A 0.05 pounds N/A Full Twist Loop
N/A
204555
N/A 0.44 inches N/A 0.063 inches N/A 0.063 inches N/A 0.063 inches N/A 0.011 inches N/A 0.44 inches N/A 4.0 lbs/in N/A E00630110440S N/A 0.08 pounds N/A Full Twist Loop
N/A
204560
N/A 0.44 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.010 inches N/A 0.44 inches N/A 0.7 lbs/in N/A E00940100440S N/A 0.04 pounds N/A Full Twist Loop
N/A
204567
N/A 0.44 inches N/A 0.094 inches N/A 0.094 inches N/A 0.094 inches N/A 0.011 inches N/A 0.44 inches N/A 1.2 lbs/in N/A E00940110440S N/A 0.05 pounds N/A Full Twist Loop
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