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S-3115CS - 1" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 4 coils and closed ends. This spring features an O.D. of 0.75", and an I.D. of 0.668".

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

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3115
Ends Closed
Finish None
Free Length 1 in
Inside Diameter 0.668 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 5 lbs/in
SKU S-3115CS
Solid Length 0.21 in
Suggested Max Deflection 0.68 in
Suggested Max Load 3.4 lbf
Total Coils 4
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3115
Ends Closed
Finish None
Free Length 25.4 mm
Inside Diameter 16.97 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.88 N/mm
SKU S-3115CS
Solid Length 5.33 mm
Suggested Max Deflection 17.27 mm
Suggested Max Load 15.12 N
Total Coils 4
Wire Diameter 1.04 mm
The compression spring S-3115CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-3115 compression spring design exhibits exceptional tensile strength and resilience.

The S-3115 design is manufactured with a free length of 1", with an outer diameter of 0.75", an inner diameter of 0.668", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 5 lbs/in.

The S-3115CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring S-3115 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.

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