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Century Spring

75111CS - 0.689" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 39.76 coils and closed ends. This spring features an O.D. of 0.055", and an I.D. of 0.031".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75111
Ends Closed
Finish None
Free Length 0.689 in
Inside Diameter 0.031 in
Material Music Wire
Outside Diameter 0.055 in
Part Type Metric
Rate 10.361 lbs/in
SKU 75111CS
Solid Length 0.489 in
Suggested Max Deflection 0.169 in
Suggested Max Load 1.751 lbf
Total Coils 39.76
Wire Diameter 0.012 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75111
Ends Closed
Finish None
Free Length 17.5 mm
Inside Diameter 0.79 mm
Material Music Wire
Outside Diameter 1.4 mm
Part Type Metric
Rate 1.81 N/mm
SKU 75111CS
Solid Length 12.42 mm
Suggested Max Deflection 4.29 mm
Suggested Max Load 7.79 N
Total Coils 39.76
Wire Diameter 0.3 mm
The 75111CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.012" diameter music wire, the 75111 spring design exhibits reliable strength across its 39.76 active coils, withstanding repeated compression cycles with a maximum load of 1.751 lbf without succumbing to fatigue.

We manufacture the 75111 design to provide a compression spring that is 0.689" long at rest and provides a consistent rate of 10.361 lbs/in along its recommended maximum of 0.169" deflection. For best results, your application should fully accommodate the inner (0.031") and outer (0.055") diameters of this spring and be designed for its closed end configuration.

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