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AA-77CS - 0.25" Music Wire Compression Spring

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Compression spring manufactured from music wire with 5 coils and closed ends. This spring features an O.D. of 0.172", and an I.D. of 0.112".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name AA-77
Ends Closed
Finish Zinc
Free Length 0.25 in
Inside Diameter 0.112 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 136 lbs/in
SKU AA-77CS
Solid Length 0.18 in
Suggested Max Deflection 0.06 in
Suggested Max Load 8.4 lbf
Total Coils 5
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name AA-77
Ends Closed
Finish Zinc
Free Length 6.35 mm
Inside Diameter 2.84 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 23.81 N/mm
SKU AA-77CS
Solid Length 4.57 mm
Suggested Max Deflection 1.52 mm
Suggested Max Load 37.36 N
Total Coils 5
Wire Diameter 0.76 mm
The compression spring AA-77CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the AA-77 compression spring design exhibits exceptional tensile strength and resilience.

The AA-77 design is manufactured with a free length of 0.25", with an outer diameter of 0.172", an inner diameter of 0.112", and a total of 5 coils, expertly designed to deliver consistent compression characteristics including a rate of 136 lbs/in.

The AA-77CS 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 AA-77 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.