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Century Spring

S-40CS - 1.19" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 13.9 coils and closed ends. This spring features an O.D. of 0.296", and an I.D. of 0.172".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-40
Ends Closed
Finish None
Free Length 1.19 in
Inside Diameter 0.172 in
Material 302/304 Stainless Steel
Outside Diameter 0.296 in
Part Type Standard
Rate 126 lbs/in
SKU S-40CS
Solid Length 0.931 in
Suggested Max Deflection 0.202 in
Suggested Max Load 25 lbf
Total Coils 13.9
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-40
Ends Closed
Finish None
Free Length 30.23 mm
Inside Diameter 4.37 mm
Material 302/304 Stainless Steel
Outside Diameter 7.52 mm
Part Type Standard
Rate 22.06 N/mm
SKU S-40CS
Solid Length 23.65 mm
Suggested Max Deflection 5.13 mm
Suggested Max Load 111.2 N
Total Coils 13.9
Wire Diameter 1.59 mm
The S-40 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-40CS compression spring is designed with a free length of 1.25" total of 15 coils, and a rate of 7.8 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-40 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.

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