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S-390CS - 0.91" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 6 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.428".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-390
Ends Closed & Ground
Finish None
Free Length 0.91 in
Inside Diameter 0.428 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 5.4 lbs/in
SKU S-390CS
Solid Length 0.22 in
Suggested Max Deflection 0.64 in
Suggested Max Load 3.4 lbf
Total Coils 6
Wire Diameter 0.036 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-390
Ends Closed & Ground
Finish None
Free Length 23.11 mm
Inside Diameter 10.87 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.95 N/mm
SKU S-390CS
Solid Length 5.59 mm
Suggested Max Deflection 16.26 mm
Suggested Max Load 15.12 N
Total Coils 6
Wire Diameter 0.91 mm
The compression spring S-390CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-390 compression spring design exhibits exceptional tensile strength and resilience.

The S-390 design is manufactured with a free length of 0.91", with an outer diameter of 0.5", an inner diameter of 0.428", and a total of 6 coils, expertly designed to deliver consistent compression characteristics including a rate of 5.4 lbs/in.

The S-390CS 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-390 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.