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O-81CS - 0.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 6.75 coils and closed & ground ends. This spring features an O.D. of 0.203", and an I.D. of 0.155".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name O-81
Ends Closed & Ground
Finish None
Free Length 0.5 in
Inside Diameter 0.155 in
Material Music Wire
Outside Diameter 0.203 in
Part Type Standard
Rate 18 lbs/in
SKU O-81CS
Solid Length 0.16 in
Suggested Max Deflection 0.23 in
Suggested Max Load 4 lbf
Total Coils 6.75
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name O-81
Ends Closed & Ground
Finish None
Free Length 12.7 mm
Inside Diameter 3.94 mm
Material Music Wire
Outside Diameter 5.16 mm
Part Type Standard
Rate 3.15 N/mm
SKU O-81CS
Solid Length 4.06 mm
Suggested Max Deflection 5.84 mm
Suggested Max Load 17.79 N
Total Coils 6.75
Wire Diameter 0.61 mm
The compression spring O-81CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the O-81 compression spring design exhibits exceptional tensile strength and resilience.

The O-81 design is manufactured with a free length of 0.5", with an outer diameter of 0.203", an inner diameter of 0.155", and a total of 6.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 18 lbs/in.

The O-81CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring O-81 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.