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Century Spring

75478CS - 2.677" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 20.5 coils and closed & ground ends. This spring features an O.D. of 0.346", and an I.D. of 0.282".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75478
Ends Closed & Ground
Finish Zinc
Free Length 2.677 in
Inside Diameter 0.282 in
Material Music Wire
Outside Diameter 0.346 in
Part Type Metric
Rate 2.554 lbs/in
SKU 75478CS
Solid Length 0.646 in
Suggested Max Deflection 1.963 in
Suggested Max Load 5.014 lbf
Total Coils 20.5
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75478
Ends Closed & Ground
Finish Zinc
Free Length 68 mm
Inside Diameter 7.16 mm
Material Music Wire
Outside Diameter 8.79 mm
Part Type Metric
Rate 0.45 N/mm
SKU 75478CS
Solid Length 16.41 mm
Suggested Max Deflection 49.86 mm
Suggested Max Load 22.3 N
Total Coils 20.5
Wire Diameter 0.81 mm
The 75478 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 75478CS compression spring is designed with a free length of 1.85" total of 14.5 coils, and a rate of 3.15 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 75478 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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