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Century Spring

S-3121CS - 0.75" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 6 coils and closed ends. This spring features an O.D. of 0.562", and an I.D. of 0.502".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3121
Ends Closed
Finish None
Free Length 0.75 in
Inside Diameter 0.502 in
Material 302/304 Stainless Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 1.7 lbs/in
SKU S-3121CS
Solid Length 0.21 in
Suggested Max Deflection 0.54 in
Suggested Max Load 0.91 lbf
Total Coils 6
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3121
Ends Closed
Finish None
Free Length 19.05 mm
Inside Diameter 12.75 mm
Material 302/304 Stainless Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 0.3 N/mm
SKU S-3121CS
Solid Length 5.33 mm
Suggested Max Deflection 13.72 mm
Suggested Max Load 4.05 N
Total Coils 6
Wire Diameter 0.76 mm
The compression spring S-3121CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-3121 compression spring design exhibits exceptional tensile strength and resilience.

The S-3121 design is manufactured with a free length of 0.75", with an outer diameter of 0.562", an inner diameter of 0.502", and a total of 6 coils, expertly designed to deliver consistent compression characteristics including a rate of 1.7 lbs/in.

The S-3121CS 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-3121 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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