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71643CS - 2.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 10.9 coils and closed & ground ends. This spring features an O.D. of 0.54", and an I.D. of 0.458".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71643
Ends Closed & Ground
Finish None
Free Length 2.5 in
Inside Diameter 0.458 in
Material Music Wire
Outside Diameter 0.54 in
Part Type Standard
Rate 3.7 lbs/in
SKU 71643CS
Solid Length 0.45 in
Suggested Max Deflection 1.9 in
Suggested Max Load 6.9 lbf
Total Coils 10.9
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71643
Ends Closed & Ground
Finish None
Free Length 63.5 mm
Inside Diameter 11.63 mm
Material Music Wire
Outside Diameter 13.72 mm
Part Type Standard
Rate 0.65 N/mm
SKU 71643CS
Solid Length 11.43 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 30.69 N
Total Coils 10.9
Wire Diameter 1.04 mm
The compression spring 71643CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the 71643 compression spring design exhibits exceptional tensile strength and resilience.

The 71643 design is manufactured with a free length of 2.5", with an outer diameter of 0.54", an inner diameter of 0.458", and a total of 10.9 coils, expertly designed to deliver consistent compression characteristics including a rate of 3.7 lbs/in.

The 71643CS 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 71643 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.