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S-439CS - 1.38 Inch 302/304 Stainless Steel Compression Springs

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The S-439CS is a regular compression spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a natural finish. This spring has a wire diameter of 0.055 inches, an outside diameter of 0.75 inches, and a free length of 1.38 inches. It has a spring rate of 7.7 lbs/inch and a maximum load of 7.6 Pound Force. The S-439CS is a closed and ground-end spring. It features 6.5 total coils and a solid length of 0.36 inches. This standard compression spring is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the urgency of your projects and strive to ensure that you receive your springs promptly. Our products, including the S-439CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is your go-to source for high-quality springs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 1.38 in
Inside Diameter 0.64 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 7.7 lbs/in
SKU S-439CS
Solid Length 0.36 in
Suggested Max Deflection 0.98 in
Suggested Max Load 7.6 lbf
Total Coils 6.5
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 35.05 mm
Inside Diameter 16.26 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 1.35 N/mm
SKU S-439CS
Solid Length 9.14 mm
Suggested Max Deflection 24.89 mm
Suggested Max Load 33.8 N
Total Coils 6.5
Wire Diameter 1.4 mm