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39 - 3.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 14.3 coils and Closed & Ground ends. This spring features an O.D. of 1 Inch, and an I.D. of 0.76 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 39
Ends Closed & Ground
Finish Zinc
Free Length 3.5 in
Inside Diameter 0.76 in
Material Spring Steel
Outside Diameter 1 in
Part Type Standard
Rate 36 lbs/in
SKU 39CS
Solid Length 1.71 in
Suggested Max Deflection 1.5 in
Suggested Max Load 54 lbf
Total Coils 14.3
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 39
Ends Closed & Ground
Finish Zinc
Free Length 88.9 mm
Inside Diameter 19.3 mm
Material Spring Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 6.3 N/mm
SKU 39CS
Solid Length 43.43 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 240.19 N
Total Coils 14.3
Wire Diameter 3.05 mm
The compression spring 39CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality hard drawn, the 39 compression spring design exhibits exceptional tensile strength and resilience.

The 39 design is manufactured with a free length of 3.5", with an outer diameter of 1", an inner diameter of 0.76", and a total of 14.3 coils, expertly designed to deliver consistent compression characteristics including a rate of 36 lbs/in.

The 39CS 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 39 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.