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76221CS - 0.787" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 5.4 coils and closed & ground ends. This spring features an O.D. of 0.484", and an I.D. of 0.406".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 76221
Ends Closed & Ground
Finish None
Free Length 0.787 in
Inside Diameter 0.406 in
Material Music Wire
Outside Diameter 0.484 in
Part Type Metric
Rate 11.536 lbs/in
SKU 76221CS
Solid Length 0.213 in
Suggested Max Deflection 0.593 in
Suggested Max Load 6.84 lbf
Total Coils 5.4
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 76221
Ends Closed & Ground
Finish None
Free Length 19.99 mm
Inside Diameter 10.31 mm
Material Music Wire
Outside Diameter 12.29 mm
Part Type Metric
Rate 2.02 N/mm
SKU 76221CS
Solid Length 5.41 mm
Suggested Max Deflection 15.06 mm
Suggested Max Load 30.42 N
Total Coils 5.4
Wire Diameter 0.99 mm
The 76221CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.039" diameter music wire, the 76221 spring design exhibits reliable strength across its 5.4 active coils, withstanding repeated compression cycles with a maximum load of 6.84 lbf without succumbing to fatigue.

We manufacture the 76221 design to provide a compression spring that is 0.787" long at rest and provides a consistent rate of 11.536 lbs/in along its recommended maximum of 0.593" deflection. For best results, your application should fully accommodate the inner (0.406") and outer (0.484") diameters of this spring and be designed for its closed & ground end configuration.