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S-31CS - 0.53" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 8 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.18".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-31
Ends Closed
Finish None
Free Length 0.53 in
Inside Diameter 0.18 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 32 lbs/in
SKU S-31CS
Solid Length 0.32 in
Suggested Max Deflection 0.19 in
Suggested Max Load 6 lbf
Total Coils 8
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-31
Ends Closed
Finish None
Free Length 13.46 mm
Inside Diameter 4.57 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 5.6 N/mm
SKU S-31CS
Solid Length 8.13 mm
Suggested Max Deflection 4.83 mm
Suggested Max Load 26.69 N
Total Coils 8
Wire Diameter 0.89 mm
The S-31 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-31CS compression spring is designed with a free length of 3.63" total of 9.67 coils, and a rate of 43 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-31 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.