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FF-73CS - 0.44" Music Wire Compression Spring

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Compression spring manufactured from music wire with 6 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.222".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name FF-73
Ends Closed
Finish Zinc
Free Length 0.44 in
Inside Diameter 0.222 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 1.1 lbs/in
SKU FF-73CS
Solid Length 0.1 in
Suggested Max Deflection 0.34 in
Suggested Max Load 0.36 lbf
Total Coils 6
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name FF-73
Ends Closed
Finish Zinc
Free Length 11.18 mm
Inside Diameter 5.64 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.19 N/mm
SKU FF-73CS
Solid Length 2.54 mm
Suggested Max Deflection 8.64 mm
Suggested Max Load 1.6 N
Total Coils 6
Wire Diameter 0.36 mm
The FF-73 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The FF-73CS compression spring is designed with a free length of 0.53" total of 8 coils, and a rate of 0.77 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The FF-73 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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