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Century Spring

75555CS - 0.394" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 5.5 coils and closed & ground ends. This spring features an O.D. of 0.287", and an I.D. of 0.209".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75555
Ends Closed & Ground
Finish Zinc
Free Length 0.394 in
Inside Diameter 0.209 in
Material Music Wire
Outside Diameter 0.287 in
Part Type Metric
Rate 67.479 lbs/in
SKU 75555CS
Solid Length 0.217 in
Suggested Max Deflection 0.165 in
Suggested Max Load 11.134 lbf
Total Coils 5.5
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75555
Ends Closed & Ground
Finish Zinc
Free Length 10.01 mm
Inside Diameter 5.31 mm
Material Music Wire
Outside Diameter 7.29 mm
Part Type Metric
Rate 11.82 N/mm
SKU 75555CS
Solid Length 5.51 mm
Suggested Max Deflection 4.19 mm
Suggested Max Load 49.52 N
Total Coils 5.5
Wire Diameter 0.99 mm
The 75555CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.039" diameter music wire, the 75555 spring design exhibits reliable strength across its 5.5 active coils, withstanding repeated compression cycles with a maximum load of 11.134 lbf without succumbing to fatigue.

We manufacture the 75555 design to provide a compression spring that is 0.394" long at rest and provides a consistent rate of 67.479 lbs/in along its recommended maximum of 0.165" deflection. For best results, your application should fully accommodate the inner (0.209") and outer (0.287") diameters of this spring and be designed for its closed & ground end configuration.

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