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Century Spring

S-371CS - 0.75" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.843", and an I.D. of 0.657".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-371
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.657 in
Material 302/304 Stainless Steel
Outside Diameter 0.843 in
Part Type Standard
Rate 111 lbs/in
SKU S-371CS
Solid Length 0.37 in
Suggested Max Deflection 0.26 in
Suggested Max Load 29 lbf
Total Coils 4
Wire Diameter 0.093 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-371
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 16.69 mm
Material 302/304 Stainless Steel
Outside Diameter 21.41 mm
Part Type Standard
Rate 19.44 N/mm
SKU S-371CS
Solid Length 9.4 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 128.99 N
Total Coils 4
Wire Diameter 2.36 mm
The S-371 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-371CS compression spring is designed with a free length of 1.75" total of 6.5 coils, and a rate of 0.9 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-371 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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