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II-3CS - 0.56" Music Wire Compression Spring

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Compression spring manufactured from music wire with 7 coils and closed ends. This spring features an O.D. of 0.188", and an I.D. of 0.13".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name II-3
Ends Closed
Finish Zinc
Free Length 0.56 in
Inside Diameter 0.13 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 52 lbs/in
SKU II-3CS
Solid Length 0.23 in
Suggested Max Deflection 0.14 in
Suggested Max Load 7 lbf
Total Coils 7
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name II-3
Ends Closed
Finish Zinc
Free Length 14.22 mm
Inside Diameter 3.3 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 9.11 N/mm
SKU II-3CS
Solid Length 5.84 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 31.14 N
Total Coils 7
Wire Diameter 0.74 mm
The compression spring II-3CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the II-3 compression spring design exhibits exceptional tensile strength and resilience.

The II-3 design is manufactured with a free length of 0.56", with an outer diameter of 0.188", an inner diameter of 0.13", and a total of 7 coils, expertly designed to deliver consistent compression characteristics including a rate of 52 lbs/in.

The II-3CS 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 II-3 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.

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