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Century Spring

S-81CS - 1" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 6 coils and closed ends. This spring features an O.D. of 0.531", and an I.D. of 0.443".

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-81
Ends Closed
Finish None
Free Length 1 in
Inside Diameter 0.443 in
Material 302/304 Stainless Steel
Outside Diameter 0.531 in
Part Type Standard
Rate 10 lbs/in
SKU S-81CS
Solid Length 0.31 in
Suggested Max Deflection 0.57 in
Suggested Max Load 5.8 lbf
Total Coils 6
Wire Diameter 0.044 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-81
Ends Closed
Finish None
Free Length 25.4 mm
Inside Diameter 11.25 mm
Material 302/304 Stainless Steel
Outside Diameter 13.49 mm
Part Type Standard
Rate 1.75 N/mm
SKU S-81CS
Solid Length 7.87 mm
Suggested Max Deflection 14.48 mm
Suggested Max Load 25.8 N
Total Coils 6
Wire Diameter 1.12 mm
The compression spring S-81CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-81 compression spring design exhibits exceptional tensile strength and resilience.

The S-81 design is manufactured with a free length of 1", with an outer diameter of 0.531", an inner diameter of 0.443", and a total of 6 coils, expertly designed to deliver consistent compression characteristics including a rate of 10 lbs/in.

The S-81CS 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-81 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.

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