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S-3139CS - 4.25 Inch 302/304 Stainless Steel Compression Springs

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The S-3139CS is a regular compression spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a natural finish. This spring has a wire diameter of 0.135 inches, an outside diameter of 1.875 inches, and a free length of 4.25 inches. It has a spring rate of 15 lbs/inch and a maximum load of 37 Pound Force. The S-3139CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring suitable for a wide range of applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the S-3139CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that you can quickly receive the springs you need for your projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish None
Free Length 4.25 in
Inside Diameter 1.605 in
Material 302/304 Stainless Steel
Outside Diameter 1.875 in
Part Type Standard
Rate 15 lbs/in
SKU S-3139CS
Solid Length 1.11 in
Suggested Max Deflection 2.5 in
Suggested Max Load 37 lbf
Total Coils 7.25
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish None
Free Length 107.95 mm
Inside Diameter 40.77 mm
Material 302/304 Stainless Steel
Outside Diameter 47.63 mm
Part Type Standard
Rate 2.63 N/mm
SKU S-3139CS
Solid Length 28.19 mm
Suggested Max Deflection 63.5 mm
Suggested Max Load 164.58 N
Total Coils 7.25
Wire Diameter 3.43 mm