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Century Spring

72081CS - 3.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 14.1 coils and closed & ground ends. This spring features an O.D. of 0.72", and an I.D. of 0.55".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72081
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.55 in
Material Music Wire
Outside Diameter 0.72 in
Part Type Standard
Rate 24 lbs/in
SKU 72081CS
Solid Length 1.2 in
Suggested Max Deflection 1.7 in
Suggested Max Load 40 lbf
Total Coils 14.1
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72081
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 13.97 mm
Material Music Wire
Outside Diameter 18.29 mm
Part Type Standard
Rate 4.2 N/mm
SKU 72081CS
Solid Length 30.48 mm
Suggested Max Deflection 43.18 mm
Suggested Max Load 177.92 N
Total Coils 14.1
Wire Diameter 2.16 mm
The 72081CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.085" diameter music wire, the 72081 spring design exhibits reliable strength across its 14.1 active coils, withstanding repeated compression cycles with a maximum load of 40 lbf without succumbing to fatigue.

We manufacture the 72081 design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 24 lbs/in along its recommended maximum of 1.7" deflection. For best results, your application should fully accommodate the inner (0.55") and outer (0.72") diameters of this spring and be designed for its closed & ground end configuration.

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