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Century Spring

72734CS - 3" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 9.63 coils and closed & ground ends. This spring features an O.D. of 1.225", and an I.D. of 0.901".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72734
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.901 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 107 lbs/in
SKU 72734CS
Solid Length 1.56 in
Suggested Max Deflection 1.3 in
Suggested Max Load 143 lbf
Total Coils 9.63
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72734
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 22.89 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 18.74 N/mm
SKU 72734CS
Solid Length 39.62 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 636.06 N
Total Coils 9.63
Wire Diameter 4.11 mm
The 72734CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.162" diameter music wire, the 72734 spring design exhibits reliable strength across its 9.63 active coils, withstanding repeated compression cycles with a maximum load of 143 lbf without succumbing to fatigue.

We manufacture the 72734 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 107 lbs/in along its recommended maximum of 1.3" deflection. For best results, your application should fully accommodate the inner (0.901") and outer (1.225") diameters of this spring and be designed for its closed & ground end configuration.

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