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Century Spring

4CS - 1.38" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 14CS.5 coils and closed ends. This spring features an O.D. of 0.281", and an I.D. of 0.225".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4
Ends Closed
Finish Zinc
Free Length 1.38 in
Inside Diameter 0.225 in
Material Music Wire
Outside Diameter 0.281 in
Part Type Standard
Rate 4.4 lbs/in
SKU 4CS
Solid Length 0.43 in
Suggested Max Deflection 0.94 in
Suggested Max Load 4.1 lbf
Total Coils 14.5
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4
Ends Closed
Finish Zinc
Free Length 35.05 mm
Inside Diameter 5.72 mm
Material Music Wire
Outside Diameter 7.14 mm
Part Type Standard
Rate 0.77 N/mm
SKU 4CS
Solid Length 10.92 mm
Suggested Max Deflection 23.88 mm
Suggested Max Load 18.24 N
Total Coils 14.5
Wire Diameter 0.71 mm
The 4 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 4CS compression spring is designed with a free length of 2.5" total of 12 coils, and a rate of 118 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 4 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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