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Century Spring

A9-38CS - 0.81" 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 0.718", and an I.D. of 0.634".

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 A9-38
Ends Closed
Finish None
Free Length 0.81 in
Inside Diameter 0.634 in
Material 302/304 Stainless Steel
Outside Diameter 0.718 in
Part Type Standard
Rate 6.4 lbs/in
SKU A9-38CS
Solid Length 0.21 in
Suggested Max Deflection 0.59 in
Suggested Max Load 3.8 lbf
Total Coils 4
Wire Diameter 0.042 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-38
Ends Closed
Finish None
Free Length 20.57 mm
Inside Diameter 16.1 mm
Material 302/304 Stainless Steel
Outside Diameter 18.24 mm
Part Type Standard
Rate 1.12 N/mm
SKU A9-38CS
Solid Length 5.33 mm
Suggested Max Deflection 14.99 mm
Suggested Max Load 16.9 N
Total Coils 4
Wire Diameter 1.07 mm
The compression spring A9-38CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the A9-38 compression spring design exhibits exceptional tensile strength and resilience.

The A9-38 design is manufactured with a free length of 0.81", with an outer diameter of 0.718", an inner diameter of 0.634", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 6.4 lbs/in.

The A9-38CS 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 A9-38 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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