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77021CS - 6.299" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 10.5 coils and closed & ground ends. This spring features an O.D. of 1.732", and an I.D. of 1.417".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 77021
Ends Closed & Ground
Finish None
Free Length 6.299 in
Inside Diameter 1.417 in
Material Music Wire
Outside Diameter 1.732 in
Part Type Metric
Rate 26.633 lbs/in
SKU 77021CS
Solid Length 1.654 in
Suggested Max Deflection 3.609 in
Suggested Max Load 96.108 lbf
Total Coils 10.5
Wire Diameter 0.157 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 77021
Ends Closed & Ground
Finish None
Free Length 159.99 mm
Inside Diameter 35.99 mm
Material Music Wire
Outside Diameter 43.99 mm
Part Type Metric
Rate 4.66 N/mm
SKU 77021CS
Solid Length 42.01 mm
Suggested Max Deflection 91.67 mm
Suggested Max Load 427.49 N
Total Coils 10.5
Wire Diameter 3.99 mm
The compression spring 77021CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the 77021 compression spring design exhibits exceptional tensile strength and resilience.

The 77021 design is manufactured with a free length of 6.299", with an outer diameter of 1.732", an inner diameter of 1.417", and a total of 10.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 26.633 lbs/in.

The 77021CS 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 77021 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.