System of Measurement System of Measurement |
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Spring Type Spring Type |
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Extended Length @ Maximum Load Extended Length@ Maximum Load |
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Finish Finish |
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Load Load |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Extension Springs with Loop Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch or millimeter of extension.
Zinc-plated springs have mild corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Corrosion-Resistant Extension Springs with Loop Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch or millimeter of extension.
302 stainless steel springs have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
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| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
4.75" Lg. | |||||||||
| 0.688" | 0.091" | 6.78" | 8.87 | 29.43 | 10.11 | 302 Stainless Steel | 1 | 000000000 | 00000 |
| 0.85" | 0.075" | 11.25" | 1 | 14 | 2 | 302 Stainless Steel | 1 | 00000000 | 00000 |
| 0.85" | 0.085" | 9.45" | 2 | 20 | 3.8 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.85" | 0.085" | 9.99" | 2 | 21.57 | 3.749 | 302 Stainless Steel | 1 | 00000000 | 0000 |
Extension Springs with Hook Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch or mm of extension.
Zinc-plated springs have mild corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Corrosion-Resistant Extension Springs with Hook Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch of extension or, for metric springs, millimeter of compression.
302 stainless steel springs have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
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| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
4.75" Lg. | |||||||||
| 0.5" | 0.054" | 10.05" | 2 | 9.9 | 1.576 | 302 Stainless Steel | 1 | 00000000 | 00000 |
| 0.5" | 0.072" | 7.15" | 5 | 23 | 7.517 | 302 Stainless Steel | 1 | 00000000 | 00000 |
| 0.85" | 0.085" | 9.99" | 2 | 21.57 | 3.749 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.875" | 0.075" | 10.25" | 1.7 | 12.7 | 1.998 | 302 Stainless Steel | 1 | 00000000 | 00000 |
| 0.875" | 0.085" | 8.74" | 2.4 | 18 | 3.91 | 302 Stainless Steel | 1 | 00000000 | 00000 |