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S-278CS - 2.5" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 17 coils and closed ends. This spring features an O.D. of 0.515", and an I.D. of 0.411".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-278
Ends Closed
Finish None
Free Length 2.5 in
Inside Diameter 0.411 in
Material 302/304 Stainless Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 6.1 lbs/in
SKU S-278CS
Solid Length 0.94 in
Suggested Max Deflection 1.5 in
Suggested Max Load 9.2 lbf
Total Coils 17
Wire Diameter 0.052 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-278
Ends Closed
Finish None
Free Length 63.5 mm
Inside Diameter 10.44 mm
Material 302/304 Stainless Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 1.07 N/mm
SKU S-278CS
Solid Length 23.88 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 40.92 N
Total Coils 17
Wire Diameter 1.32 mm
The S-278 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-278CS compression spring is designed with a free length of 2" total of 10 coils, and a rate of 57 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-278 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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