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Century Spring

72829CS - 4.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 11.4 coils and closed & ground ends. This spring features an O.D. of 1.46", and an I.D. of 1.148".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72829
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.148 in
Material Music Wire
Outside Diameter 1.46 in
Part Type Standard
Rate 41 lbs/in
SKU 72829CS
Solid Length 1.77 in
Suggested Max Deflection 2.7 in
Suggested Max Load 109 lbf
Total Coils 11.4
Wire Diameter 0.156 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72829
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 29.16 mm
Material Music Wire
Outside Diameter 37.08 mm
Part Type Standard
Rate 7.18 N/mm
SKU 72829CS
Solid Length 44.96 mm
Suggested Max Deflection 68.58 mm
Suggested Max Load 484.83 N
Total Coils 11.4
Wire Diameter 3.96 mm
The 72829CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.156" diameter music wire, the 72829 spring design exhibits reliable strength across its 11.4 active coils, withstanding repeated compression cycles with a maximum load of 109 lbf without succumbing to fatigue.

We manufacture the 72829 design to provide a compression spring that is 4.5" long at rest and provides a consistent rate of 41 lbs/in along its recommended maximum of 2.7" deflection. For best results, your application should fully accommodate the inner (1.148") and outer (1.46") diameters of this spring and be designed for its closed & ground end configuration.

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