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3948CS - 0.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4.75 coils and closed ends. This spring features an O.D. of 0.42", and an I.D. of 0.338".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3948
Ends Closed
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.338 in
Material Spring Steel
Outside Diameter 0.42 in
Part Type Standard
Rate 27 lbs/in
SKU 3948CS
Solid Length 0.24 in
Suggested Max Deflection 0.23 in
Suggested Max Load 6.3 lbf
Total Coils 4.75
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3948
Ends Closed
Finish Zinc
Free Length 12.7 mm
Inside Diameter 8.59 mm
Material Spring Steel
Outside Diameter 10.67 mm
Part Type Standard
Rate 4.73 N/mm
SKU 3948CS
Solid Length 6.1 mm
Suggested Max Deflection 5.84 mm
Suggested Max Load 28.02 N
Total Coils 4.75
Wire Diameter 1.04 mm
The compression spring 3948CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3948 compression spring design exhibits exceptional tensile strength and resilience.

The 3948 design is manufactured with a free length of 0.5", with an outer diameter of 0.42", an inner diameter of 0.338", and a total of 4.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 27 lbs/in.

The 3948CS 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 3948 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.