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U-3CS - 1.13 Inch Spring Steel Compression Springs

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Estimated Lead Time

The U-3CS 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 0.033 inches, an outside diameter of 0.375 inches, and a free length of 1.13 inches. It has a spring rate of 5.3 lbs/inch and a maximum load of 3.9 Pound Force. The U-3CS is a closed-end spring with squared ends. It is a standard compression spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and we strive to ensure that our customers receive their springs as quickly as possible. Additionally, all of our products, including the U-3CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is your trusted source for high-quality springs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 1.13 in
Inside Diameter 0.309 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 5.3 lbs/in
SKU U-3CS
Solid Length 0.36 in
Suggested Max Deflection 0.73 in
Suggested Max Load 3.9 lbf
Total Coils 10
Wire Diameter 0.033 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 28.7 mm
Inside Diameter 7.85 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.93 N/mm
SKU U-3CS
Solid Length 9.14 mm
Suggested Max Deflection 18.54 mm
Suggested Max Load 17.35 N
Total Coils 10
Wire Diameter 0.84 mm