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F-28CS - 0.53 Inch High Carbon Compression Springs

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Estimated Lead Time

The F-28CS is a regular compression spring manufactured by Century Spring. It is made from High Carbon wire and has a zinc finish. This spring has a wire diameter of 0.045 inches, an outside diameter of 0.375 inches, and a free length of 0.53 inches. It has a spring rate of 55 lbs/inch and a maximum load of 9.2 pound force. The F-28CS is a closed-end spring, meaning the ends are squared. As a standard compression spring, it is suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the F-28CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 0.53 in
Inside Diameter 0.285 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 55 lbs/in
SKU F-28CS
Solid Length 0.27 in
Suggested Max Deflection 0.17 in
Suggested Max Load 9.2 lbf
Total Coils 5
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 13.46 mm
Inside Diameter 7.24 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 9.63 N/mm
SKU F-28CS
Solid Length 6.86 mm
Suggested Max Deflection 4.32 mm
Suggested Max Load 40.92 N
Total Coils 5
Wire Diameter 1.14 mm