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Century Spring

72761CS - 3" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 10.1 coils and closed & ground ends. This spring features an O.D. of 1.225", and an I.D. of 0.811".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72761
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.811 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 310 lbs/in
SKU 72761CS
Solid Length 2.1 in
Suggested Max Deflection 0.9 in
Suggested Max Load 280 lbf
Total Coils 10.1
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72761
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 20.6 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 54.28 N/mm
SKU 72761CS
Solid Length 53.34 mm
Suggested Max Deflection 22.86 mm
Suggested Max Load 1245.44 N
Total Coils 10.1
Wire Diameter 5.26 mm
The 72761CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.207" diameter music wire, the 72761 spring design exhibits reliable strength across its 10.1 active coils, withstanding repeated compression cycles with a maximum load of 280 lbf without succumbing to fatigue.

We manufacture the 72761 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 310 lbs/in along its recommended maximum of 0.9" deflection. For best results, your application should fully accommodate the inner (0.811") and outer (1.225") diameters of this spring and be designed for its closed & ground end configuration.

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