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3660CS - 3.25 Inch Spring Steel Compression Springs

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Estimated Lead Time

The 3660CS 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 0.042 inches, an outer diameter of 0.609 inches, and a free length of 3.25 inches. It has a spring rate of 2.5 lbs/inch and a maximum load of 4.8 Pound Force. The 3660CS is a closed and ground-end spring, ensuring secure and precise functionality. It is a standard compression spring suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We are proud to manufacture our products, including the 3660CS, 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 & Ground
Finish Zinc
Free Length 3.25 in
Inside Diameter 0.525 in
Material Spring Steel
Outside Diameter 0.609 in
Part Type Standard
Rate 2.5 lbs/in
SKU 3660CS
Solid Length 0.49 in
Suggested Max Deflection 1.9 in
Suggested Max Load 4.8 lbf
Total Coils 11.8
Wire Diameter 0.042 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 82.55 mm
Inside Diameter 13.34 mm
Material Spring Steel
Outside Diameter 15.47 mm
Part Type Standard
Rate 0.44 N/mm
SKU 3660CS
Solid Length 12.45 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 21.35 N
Total Coils 11.8
Wire Diameter 1.07 mm