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Century Spring

S-1321CS - 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 ends. This spring features an O.D. of 0.75", and an I.D. of 0.656".

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-1321
Ends Closed
Finish None
Free Length 0.75 in
Inside Diameter 0.656 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 8.8 lbs/in
SKU S-1321CS
Solid Length 0.24 in
Suggested Max Deflection 0.52 in
Suggested Max Load 4.5 lbf
Total Coils 4
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1321
Ends Closed
Finish None
Free Length 19.05 mm
Inside Diameter 16.66 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 1.54 N/mm
SKU S-1321CS
Solid Length 6.1 mm
Suggested Max Deflection 13.21 mm
Suggested Max Load 20.02 N
Total Coils 4
Wire Diameter 1.19 mm
The compression spring S-1321CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-1321 compression spring design exhibits exceptional tensile strength and resilience.

The S-1321 design is manufactured with a free length of 0.75", with an outer diameter of 0.75", an inner diameter of 0.656", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 8.8 lbs/in.

The S-1321CS 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-1321 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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