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Century Spring

75099CS - 0.37" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 20.5 coils and closed ends. This spring features an O.D. of 0.057", and an I.D. of 0.037".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75099
Ends Closed
Finish None
Free Length 0.37 in
Inside Diameter 0.037 in
Material Music Wire
Outside Diameter 0.057 in
Part Type Metric
Rate 7.484 lbs/in
SKU 75099CS
Solid Length 0.212 in
Suggested Max Deflection 0.139 in
Suggested Max Load 1.04 lbf
Total Coils 20.5
Wire Diameter 0.01 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75099
Ends Closed
Finish None
Free Length 9.4 mm
Inside Diameter 0.94 mm
Material Music Wire
Outside Diameter 1.45 mm
Part Type Metric
Rate 1.31 N/mm
SKU 75099CS
Solid Length 5.38 mm
Suggested Max Deflection 3.53 mm
Suggested Max Load 4.63 N
Total Coils 20.5
Wire Diameter 0.25 mm
The 75099CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.01" diameter music wire, the 75099 spring design exhibits reliable strength across its 20.5 active coils, withstanding repeated compression cycles with a maximum load of 1.04 lbf without succumbing to fatigue.

We manufacture the 75099 design to provide a compression spring that is 0.37" long at rest and provides a consistent rate of 7.484 lbs/in along its recommended maximum of 0.139" deflection. For best results, your application should fully accommodate the inner (0.037") and outer (0.057") diameters of this spring and be designed for its closed end configuration.

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