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S-399CS - 0.94" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 7.3 coils and closed & ground ends. This spring features an O.D. of 0.484", and an I.D. of 0.358".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-399
Ends Closed & Ground
Finish None
Free Length 0.94 in
Inside Diameter 0.358 in
Material 302/304 Stainless Steel
Outside Diameter 0.484 in
Part Type Standard
Rate 48 lbs/in
SKU S-399CS
Solid Length 0.457 in
Suggested Max Load 16.6 lbf
Total Coils 7.3
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-399
Ends Closed & Ground
Finish None
Free Length 23.88 mm
Inside Diameter 9.09 mm
Material 302/304 Stainless Steel
Outside Diameter 12.29 mm
Part Type Standard
Rate 8.4 N/mm
SKU S-399CS
Solid Length 11.61 mm
Suggested Max Load 73.84 N
Total Coils 7.3
Wire Diameter 1.59 mm
The compression spring S-399CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-399 compression spring design exhibits exceptional tensile strength and resilience.

The S-399 design is manufactured with a free length of 0.94", with an outer diameter of 0.484", an inner diameter of 0.358", and a total of 7.3 coils, expertly designed to deliver consistent compression characteristics including a rate of 48 lbs/in.

The S-399CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring S-399 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.