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O-71CS - 0.38" Music Wire Compression Spring

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Compression spring manufactured from music wire with 7 coils and closed ends. This spring features an O.D. of 0.172", and an I.D. of 0.132".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name O-71
Ends Closed
Finish Zinc
Free Length 0.38 in
Inside Diameter 0.132 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 13 lbs/in
SKU O-71CS
Solid Length 0.16 in
Suggested Max Deflection 0.21 in
Suggested Max Load 2.7 lbf
Total Coils 7
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name O-71
Ends Closed
Finish Zinc
Free Length 9.65 mm
Inside Diameter 3.35 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 2.28 N/mm
SKU O-71CS
Solid Length 4.06 mm
Suggested Max Deflection 5.33 mm
Suggested Max Load 12.01 N
Total Coils 7
Wire Diameter 0.51 mm
The O-71 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 O-71CS compression spring is designed with a free length of 0.41" total of 3 coils, and a rate of 110 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 O-71 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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