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4145CS - 4 Inch Spring Steel Compression Springs

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Estimated Lead Time

The 4145CS is a regular compression spring manufactured by Century Spring. It is made from spring steel and features a zinc finish. This spring has a wire diameter of 0.312 inches, an outside diameter of 2 inches, and a free length of 4 inches. It has a spring rate of 472 lbs/inch and a maximum load of 381 Pound Force. The 4145CS is a closed and ground-end spring, ensuring precise performance. This standard compression spring is suitable for a variety of applications, providing reliable support and resistance.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our customers receive their orders quickly. Additionally, we maintain a significant supply of springs, including the 4145CS, so that our customers can easily find the products they need. All our springs are proudly made in the United States, guaranteeing high-quality craftsmanship and materials. With Century Spring, you can rely on fast shipping, ample stock, and American-made excellence.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 4 in
Inside Diameter 1.376 in
Material Spring Steel
Outside Diameter 2 in
Part Type Standard
Rate 472 lbs/in
SKU 4145CS
Solid Length 2.5 in
Suggested Max Deflection 0.81 in
Suggested Max Load 381 lbf
Total Coils 8
Wire Diameter 0.312 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 101.6 mm
Inside Diameter 34.95 mm
Material Spring Steel
Outside Diameter 50.8 mm
Part Type Standard
Rate 82.65 N/mm
SKU 4145CS
Solid Length 63.5 mm
Suggested Max Deflection 20.57 mm
Suggested Max Load 1694.69 N
Total Coils 8
Wire Diameter 7.92 mm