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Century Spring

II-5CS - 1.13" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 15 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.21".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name II-5
Ends Closed
Finish Zinc
Free Length 1.13 in
Inside Diameter 0.21 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 1.5 lbs/in
SKU II-5CS
Solid Length 0.32 in
Suggested Max Deflection 0.81 in
Suggested Max Load 1.2 lbf
Total Coils 15
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name II-5
Ends Closed
Finish Zinc
Free Length 28.7 mm
Inside Diameter 5.33 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.26 N/mm
SKU II-5CS
Solid Length 8.13 mm
Suggested Max Deflection 20.57 mm
Suggested Max Load 5.34 N
Total Coils 15
Wire Diameter 0.51 mm
The II-5 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 II-5CS compression spring is designed with a free length of 1" total of 20 coils, and a rate of 3 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 II-5 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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