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4040CS - 20.50 Inch Spring Steel Compression Springs

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Estimated Lead Time

The 4040CS is a regular compression spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.162 inches, an outside diameter of 1.437 inches, and a free length of 20.5 inches. It has a spring rate of 12 lbs/inch and a maximum load of 88 Pound Force. The 4040CS is a closed and ground-end spring, meaning the ends are squared and polished for optimal performance. It has a solid length of 6.4 Inch and a total of 40 coils. This standard compression spring is suitable for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that customers receive their orders promptly. With our significant stock inventory, including the 4040CS, we can fulfill orders quickly and efficiently. Additionally, all of our springs are proudly made in the United States, guaranteeing high-quality craftsmanship and supporting local manufacturing. Trust Century Spring for reliable shipping, ample stock, and American-made springs for all your project needs.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 20.5 in
Inside Diameter 1.113 in
Material Spring Steel
Outside Diameter 1.437 in
Part Type Standard
Rate 12 lbs/in
SKU 4040CS
Solid Length 6.4 in
Suggested Max Deflection 7.4 in
Suggested Max Load 88 lbf
Total Coils 40
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 520.7 mm
Inside Diameter 28.27 mm
Material Spring Steel
Outside Diameter 36.5 mm
Part Type Standard
Rate 2.1 N/mm
SKU 4040CS
Solid Length 162.56 mm
Suggested Max Deflection 187.96 mm
Suggested Max Load 391.42 N
Total Coils 40
Wire Diameter 4.11 mm