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Century Spring

72400CS - 3" 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 0.975", and an I.D. of 0.791".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72400
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.791 in
Material Music Wire
Outside Diameter 0.975 in
Part Type Standard
Rate 18 lbs/in
SKU 72400CS
Solid Length 0.97 in
Suggested Max Deflection 2 in
Suggested Max Load 36 lbf
Total Coils 10.5
Wire Diameter 0.092 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72400
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 20.09 mm
Material Music Wire
Outside Diameter 24.77 mm
Part Type Standard
Rate 3.15 N/mm
SKU 72400CS
Solid Length 24.64 mm
Suggested Max Deflection 50.8 mm
Suggested Max Load 160.13 N
Total Coils 10.5
Wire Diameter 2.34 mm
The 72400CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.092" diameter music wire, the 72400 spring design exhibits reliable strength across its 10.5 active coils, withstanding repeated compression cycles with a maximum load of 36 lbf without succumbing to fatigue.

We manufacture the 72400 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 18 lbs/in along its recommended maximum of 2" deflection. For best results, your application should fully accommodate the inner (0.791") and outer (0.975") diameters of this spring and be designed for its closed & ground end configuration.

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