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S-409CS - 1.25 Inch 302/304 Stainless Steel Compression Springs

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The S-409CS is a regular compression spring manufactured by Century Spring. This spring is made from 302/304 Stainless Steel and has a standard measurement unit. It has a wire diameter of 0.047 inches, an outside diameter of 0.437 inches, and a free length of 1.25 inches. The S-409CS has a rate of 7.8 lbs/inch and can handle a maximum load of 4.3 Pound Force. It features closed and ground ends. With a solid length of 0.71 Inch and a total of 15 coils, this spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on fast shipping and a substantial stock inventory. Our springs, including the S-409CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that customers can quickly receive the high-quality springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.343 in
Material 302/304 Stainless Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 7.8 lbs/in
SKU S-409CS
Solid Length 0.71 in
Suggested Max Deflection 0.55 in
Suggested Max Load 4.3 lbf
Total Coils 15
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 8.71 mm
Material 302/304 Stainless Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 1.37 N/mm
SKU S-409CS
Solid Length 18.03 mm
Suggested Max Deflection 13.97 mm
Suggested Max Load 19.13 N
Total Coils 15
Wire Diameter 1.19 mm