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S-803CS - 1.13" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 9 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.375".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-803
Ends Closed & Ground
Finish None
Free Length 1.13 in
Inside Diameter 0.375 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 30 lbs/in
SKU S-803CS
Solid Length 0.53 in
Suggested Max Deflection 0.5 in
Suggested Max Load 15 lbf
Total Coils 9
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-803
Ends Closed & Ground
Finish None
Free Length 28.7 mm
Inside Diameter 9.53 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 5.25 N/mm
SKU S-803CS
Solid Length 13.46 mm
Suggested Max Deflection 12.7 mm
Suggested Max Load 66.72 N
Total Coils 9
Wire Diameter 1.59 mm
The S-803 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-803CS compression spring is designed with a free length of 1.34" total of 8.5 coils, and a rate of 10 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-803 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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