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Century Spring

75866CS - 1.181" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 21 coils and closed ends. This spring features an O.D. of 0.148", and an I.D. of 0.124".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75866
Ends Closed
Finish None
Free Length 1.181 in
Inside Diameter 0.124 in
Material Music Wire
Outside Diameter 0.148 in
Part Type Metric
Rate 0.588 lbs/in
SKU 75866CS
Solid Length 0.26 in
Suggested Max Deflection 1.239 in
Suggested Max Load 0.728 lbf
Total Coils 21
Wire Diameter 0.012 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75866
Ends Closed
Finish None
Free Length 30 mm
Inside Diameter 3.15 mm
Material Music Wire
Outside Diameter 3.76 mm
Part Type Metric
Rate 0.1 N/mm
SKU 75866CS
Solid Length 6.6 mm
Suggested Max Deflection 31.47 mm
Suggested Max Load 3.24 N
Total Coils 21
Wire Diameter 0.3 mm
The 75866 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 75866CS compression spring is designed with a free length of 0.394" total of 7.9 coils, and a rate of 1.892 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 75866 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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