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Century Spring

71864CS - 4" 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 0.6", and an I.D. of 0.404".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71864
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.404 in
Material Music Wire
Outside Diameter 0.6 in
Part Type Standard
Rate 57 lbs/in
SKU 71864CS
Solid Length 2.01 in
Suggested Max Deflection 1.2 in
Suggested Max Load 69 lbf
Total Coils 20.5
Wire Diameter 0.098 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71864
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 10.26 mm
Material Music Wire
Outside Diameter 15.24 mm
Part Type Standard
Rate 9.98 N/mm
SKU 71864CS
Solid Length 51.05 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 306.91 N
Total Coils 20.5
Wire Diameter 2.49 mm
The 71864 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 71864CS compression spring is designed with a free length of 3.75" total of 19.4 coils, and a rate of 51 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 71864 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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