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Century Spring

J-51CS - 0.81" Music Wire Compression Spring

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Compression spring manufactured from music wire with 5 coils and closed ends. This spring features an O.D. of 0.36", and an I.D. of 0.308".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name J-51
Ends Closed
Finish Zinc
Free Length 0.81 in
Inside Diameter 0.308 in
Material Music Wire
Outside Diameter 0.36 in
Part Type Standard
Rate 5.9 lbs/in
SKU J-51CS
Solid Length 0.16 in
Suggested Max Deflection 0.47 in
Suggested Max Load 2.8 lbf
Total Coils 5
Wire Diameter 0.026 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name J-51
Ends Closed
Finish Zinc
Free Length 20.57 mm
Inside Diameter 7.82 mm
Material Music Wire
Outside Diameter 9.14 mm
Part Type Standard
Rate 1.03 N/mm
SKU J-51CS
Solid Length 4.06 mm
Suggested Max Deflection 11.94 mm
Suggested Max Load 12.45 N
Total Coils 5
Wire Diameter 0.66 mm
The compression spring J-51CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the J-51 compression spring design exhibits exceptional tensile strength and resilience.

The J-51 design is manufactured with a free length of 0.81", with an outer diameter of 0.36", an inner diameter of 0.308", and a total of 5 coils, expertly designed to deliver consistent compression characteristics including a rate of 5.9 lbs/in.

The J-51CS 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 J-51 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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