Century Spring

72445CS - 3.5" Music Wire Compression Spring

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Compression spring manufactured from music wire with 13 coils and closed & ground ends. This spring features an O.D. of 0.975", and an I.D. of 0.745".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72445
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.745 in
Material Music Wire
Outside Diameter 0.975 in
Part Type Standard
Rate 36 lbs/in
SKU 72445CS
Solid Length 1.5 in
Suggested Max Deflection 1.9 in
Suggested Max Load 68 lbf
Total Coils 13
Wire Diameter 0.115 in
The 72445CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.115" diameter music wire, the 72445 spring design exhibits reliable strength across its 13 active coils, withstanding repeated compression cycles with a maximum load of 68 lbf without succumbing to fatigue.

We manufacture the 72445 design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 36 lbs/in along its recommended maximum of 1.9" deflection. For best results, your application should fully accommodate the inner (0.745") and outer (0.975") diameters of this spring and be designed for its closed & ground end configuration.

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