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75509CS - 1.181" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 12.25 coils and closed & ground ends. This spring features an O.D. of 0.295", and an I.D. of 0.221".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75509
Ends Closed & Ground
Finish Zinc
Free Length 1.181 in
Inside Diameter 0.221 in
Material Music Wire
Outside Diameter 0.295 in
Part Type Metric
Rate 16.75 lbs/in
SKU 75509CS
Solid Length 0.457 in
Suggested Max Deflection 0.546 in
Suggested Max Load 9.146 lbf
Total Coils 12.25
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75509
Ends Closed & Ground
Finish Zinc
Free Length 30 mm
Inside Diameter 5.61 mm
Material Music Wire
Outside Diameter 7.49 mm
Part Type Metric
Rate 2.93 N/mm
SKU 75509CS
Solid Length 11.61 mm
Suggested Max Deflection 13.87 mm
Suggested Max Load 40.68 N
Total Coils 12.25
Wire Diameter 0.94 mm
The compression spring 75509CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the 75509 compression spring design exhibits exceptional tensile strength and resilience.

The 75509 design is manufactured with a free length of 1.181", with an outer diameter of 0.295", an inner diameter of 0.221", and a total of 12.25 coils, expertly designed to deliver consistent compression characteristics including a rate of 16.75 lbs/in.

The 75509CS 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 75509 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.