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Century Spring

75300CS - 0.827" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 6.6 coils and closed & ground ends. This spring features an O.D. of 0.295", and an I.D. of 0.251".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75300
Ends Closed & Ground
Finish Zinc
Free Length 0.827 in
Inside Diameter 0.251 in
Material Music Wire
Outside Diameter 0.295 in
Part Type Metric
Rate 3.54 lbs/in
SKU 75300CS
Solid Length 0.142 in
Suggested Max Deflection 0.606 in
Suggested Max Load 2.145 lbf
Total Coils 6.6
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75300
Ends Closed & Ground
Finish Zinc
Free Length 21.01 mm
Inside Diameter 6.38 mm
Material Music Wire
Outside Diameter 7.49 mm
Part Type Metric
Rate 0.62 N/mm
SKU 75300CS
Solid Length 3.61 mm
Suggested Max Deflection 15.39 mm
Suggested Max Load 9.54 N
Total Coils 6.6
Wire Diameter 0.56 mm
The 75300CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.022" diameter music wire, the 75300 spring design exhibits reliable strength across its 6.6 active coils, withstanding repeated compression cycles with a maximum load of 2.145 lbf without succumbing to fatigue.

We manufacture the 75300 design to provide a compression spring that is 0.827" long at rest and provides a consistent rate of 3.54 lbs/in along its recommended maximum of 0.606" deflection. For best results, your application should fully accommodate the inner (0.251") and outer (0.295") diameters of this spring and be designed for its closed & ground end configuration.

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