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Century Spring

75639CS - 2.559" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 13.66 coils and closed & ground ends. This spring features an O.D. of 0.591", and an I.D. of 0.497".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75639
Ends Closed & Ground
Finish Zinc
Free Length 2.559 in
Inside Diameter 0.497 in
Material Music Wire
Outside Diameter 0.591 in
Part Type Metric
Rate 3.9 lbs/in
SKU 75639CS
Solid Length 0.654 in
Suggested Max Deflection 1.905 in
Suggested Max Load 7.43 lbf
Total Coils 13.66
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75639
Ends Closed & Ground
Finish Zinc
Free Length 65 mm
Inside Diameter 12.62 mm
Material Music Wire
Outside Diameter 15.01 mm
Part Type Metric
Rate 0.68 N/mm
SKU 75639CS
Solid Length 16.61 mm
Suggested Max Deflection 48.39 mm
Suggested Max Load 33.05 N
Total Coils 13.66
Wire Diameter 1.19 mm
The 75639CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.047" diameter music wire, the 75639 spring design exhibits reliable strength across its 13.66 active coils, withstanding repeated compression cycles with a maximum load of 7.43 lbf without succumbing to fatigue.

We manufacture the 75639 design to provide a compression spring that is 2.559" long at rest and provides a consistent rate of 3.9 lbs/in along its recommended maximum of 1.905" deflection. For best results, your application should fully accommodate the inner (0.497") and outer (0.591") diameters of this spring and be designed for its closed & ground end configuration.

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