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Century Spring

75438CS - 0.492" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 6.83 coils and closed & ground ends. This spring features an O.D. of 0.236", and an I.D. of 0.172".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75438
Ends Closed & Ground
Finish Zinc
Free Length 0.492 in
Inside Diameter 0.172 in
Material Music Wire
Outside Diameter 0.236 in
Part Type Metric
Rate 35.74 lbs/in
SKU 75438CS
Solid Length 0.215 in
Suggested Max Deflection 0.208 in
Suggested Max Load 7.434 lbf
Total Coils 6.83
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75438
Ends Closed & Ground
Finish Zinc
Free Length 12.5 mm
Inside Diameter 4.37 mm
Material Music Wire
Outside Diameter 5.99 mm
Part Type Metric
Rate 6.26 N/mm
SKU 75438CS
Solid Length 5.46 mm
Suggested Max Deflection 5.28 mm
Suggested Max Load 33.07 N
Total Coils 6.83
Wire Diameter 0.81 mm
The 75438CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.032" diameter music wire, the 75438 spring design exhibits reliable strength across its 6.83 active coils, withstanding repeated compression cycles with a maximum load of 7.434 lbf without succumbing to fatigue.

We manufacture the 75438 design to provide a compression spring that is 0.492" long at rest and provides a consistent rate of 35.74 lbs/in along its recommended maximum of 0.208" deflection. For best results, your application should fully accommodate the inner (0.172") and outer (0.236") diameters of this spring and be designed for its closed & ground end configuration.

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