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75999CS - 1.378" Music Wire Compression Spring

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Compression spring manufactured from music wire with 11.7 coils and closed & ground ends. This spring features an O.D. of 0.285", and an I.D. of 0.246".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75999
Ends Closed & Ground
Finish None
Free Length 1.378 in
Inside Diameter 0.246 in
Material Music Wire
Outside Diameter 0.285 in
Part Type Metric
Rate 1.186 lbs/in
SKU 75999CS
Solid Length 0.23 in
Suggested Max Deflection 1.378 in
Suggested Max Load 1.634 lbf
Total Coils 11.7
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75999
Ends Closed & Ground
Finish None
Free Length 35 mm
Inside Diameter 6.25 mm
Material Music Wire
Outside Diameter 7.24 mm
Part Type Metric
Rate 0.21 N/mm
SKU 75999CS
Solid Length 5.84 mm
Suggested Max Deflection 35 mm
Suggested Max Load 7.27 N
Total Coils 11.7
Wire Diameter 0.51 mm
The 75999CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.02" diameter music wire, the 75999 spring design exhibits reliable strength across its 11.7 active coils, withstanding repeated compression cycles with a maximum load of 1.634 lbf without succumbing to fatigue.

We manufacture the 75999 design to provide a compression spring that is 1.378" long at rest and provides a consistent rate of 1.186 lbs/in along its recommended maximum of 1.378" deflection. For best results, your application should fully accommodate the inner (0.246") and outer (0.285") diameters of this spring and be designed for its closed & ground end configuration.

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