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Century Spring

70766CS - 0.69" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 9.75 coils and closed & ground ends. This spring features an O.D. of 0.24", and an I.D. of 0.15".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70766
Ends Closed & Ground
Finish None
Free Length 0.69 in
Inside Diameter 0.15 in
Material Music Wire
Outside Diameter 0.24 in
Part Type Standard
Rate 102 lbs/in
SKU 70766CS
Solid Length 0.44 in
Suggested Max Deflection 0.19 in
Suggested Max Load 19 lbf
Total Coils 9.75
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70766
Ends Closed & Ground
Finish None
Free Length 17.53 mm
Inside Diameter 3.81 mm
Material Music Wire
Outside Diameter 6.1 mm
Part Type Standard
Rate 17.86 N/mm
SKU 70766CS
Solid Length 11.18 mm
Suggested Max Deflection 4.83 mm
Suggested Max Load 84.51 N
Total Coils 9.75
Wire Diameter 1.14 mm
The 70766CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.045" diameter music wire, the 70766 spring design exhibits reliable strength across its 9.75 active coils, withstanding repeated compression cycles with a maximum load of 19 lbf without succumbing to fatigue.

We manufacture the 70766 design to provide a compression spring that is 0.69" long at rest and provides a consistent rate of 102 lbs/in along its recommended maximum of 0.19" deflection. For best results, your application should fully accommodate the inner (0.15") and outer (0.24") diameters of this spring and be designed for its closed & ground end configuration.

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