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1521CS - 5.50 Inch High Carbon Compression Springs

Inventory Status
Estimated Lead Time

The 1521CS is a regular compression spring manufactured by Century Spring. It is made from High Carbon material and features a zinc finish. This spring has a wire diameter of 0.091 inches, an outside diameter of 0.593 inches, and a free length of 5.5 inches. It has a spring rate of 31 lbs/inch and a maximum load capacity of 40 pound force. The 1521CS is a closed and ground spring, offering precise performance. It consists of 27 total coils and has a solid length of 2.46 inches. Century Spring ensures that this compression spring meets the highest standards of quality and reliability.

Century Spring is committed to providing excellent service to our customers. We offer fast shipping and maintain a significant stock inventory, ensuring that the 1521CS and other springs are readily available for prompt delivery. Additionally, all of our springs are proudly made in the United States, guaranteeing superior craftsmanship and adherence to strict manufacturing standards. With Century Spring, you can rely on our efficient shipping and ample supply to meet your spring needs with ease.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 5.5 in
Inside Diameter 0.411 in
Material Spring Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 31 lbs/in
SKU 1521CS
Solid Length 2.46 in
Suggested Max Deflection 1.3 in
Suggested Max Load 40 lbf
Total Coils 27
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 139.7 mm
Inside Diameter 10.44 mm
Material Spring Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 5.43 N/mm
SKU 1521CS
Solid Length 62.48 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 177.92 N
Total Coils 27
Wire Diameter 2.31 mm