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Century Spring

S-256CS - 3" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 10 coils and closed & ground ends. This spring features an O.D. of 1.156", and an I.D. of 0.974".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-256
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.974 in
Material 302/304 Stainless Steel
Outside Diameter 1.156 in
Part Type Standard
Rate 9 lbs/in
SKU S-256CS
Solid Length 0.9 in
Suggested Max Deflection 2.1 in
Suggested Max Load 19 lbf
Total Coils 10
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-256
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 24.74 mm
Material 302/304 Stainless Steel
Outside Diameter 29.36 mm
Part Type Standard
Rate 1.58 N/mm
SKU S-256CS
Solid Length 22.86 mm
Suggested Max Deflection 53.34 mm
Suggested Max Load 84.51 N
Total Coils 10
Wire Diameter 2.31 mm
The S-256 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-256CS compression spring is designed with a free length of 1" total of 5.33 coils, and a rate of 26 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-256 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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