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Century Spring

O-5CS - 0.28" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 7 coils and closed ends. This spring features an O.D. of 0.109", and an I.D. of 0.085".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name O-5
Ends Closed
Finish None
Free Length 0.28 in
Inside Diameter 0.085 in
Material Music Wire
Outside Diameter 0.109 in
Part Type Standard
Rate 6.5 lbs/in
SKU O-5CS
Solid Length 0.1 in
Suggested Max Deflection 0.16 in
Suggested Max Load 1 lbf
Total Coils 7
Wire Diameter 0.012 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name O-5
Ends Closed
Finish None
Free Length 7.11 mm
Inside Diameter 2.16 mm
Material Music Wire
Outside Diameter 2.77 mm
Part Type Standard
Rate 1.14 N/mm
SKU O-5CS
Solid Length 2.54 mm
Suggested Max Deflection 4.06 mm
Suggested Max Load 4.45 N
Total Coils 7
Wire Diameter 0.3 mm
The O-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 O-5CS compression spring is designed with a free length of 1.5" total of 18 coils, and a rate of 8.6 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-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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