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3851 - 1.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 9.5 coils and Closed & Ground ends. This spring features an O.D. of 0.562 Inch, and an I.D. of 0.437 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3851
Ends Closed & Ground
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.437 in
Material Spring Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 23 lbs/in
SKU 3851CS
Solid Length 0.59 in
Suggested Max Deflection 0.67 in
Suggested Max Load 15 lbf
Total Coils 9.5
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3851
Ends Closed & Ground
Finish Zinc
Free Length 38.1 mm
Inside Diameter 11.1 mm
Material Spring Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 4.03 N/mm
SKU 3851CS
Solid Length 14.99 mm
Suggested Max Deflection 17.02 mm
Suggested Max Load 66.72 N
Total Coils 9.5
Wire Diameter 1.59 mm
The compression spring 3851CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality hard drawn, the 3851 compression spring design exhibits exceptional tensile strength and resilience.

The 3851 design is manufactured with a free length of 1.5", with an outer diameter of 0.562", an inner diameter of 0.437", and a total of 9.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 23 lbs/in.

The 3851CS 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 3851 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.