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Century Spring

70976CS - 1.38" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 14.3 coils and closed & ground ends. This spring features an O.D. of 0.3", and an I.D. of 0.206".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70976
Ends Closed & Ground
Finish None
Free Length 1.38 in
Inside Diameter 0.206 in
Material Music Wire
Outside Diameter 0.3 in
Part Type Standard
Rate 35 lbs/in
SKU 70976CS
Solid Length 0.67 in
Suggested Max Deflection 0.5 in
Suggested Max Load 18 lbf
Total Coils 14.3
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70976
Ends Closed & Ground
Finish None
Free Length 35.05 mm
Inside Diameter 5.23 mm
Material Music Wire
Outside Diameter 7.62 mm
Part Type Standard
Rate 6.13 N/mm
SKU 70976CS
Solid Length 17.02 mm
Suggested Max Deflection 12.7 mm
Suggested Max Load 80.06 N
Total Coils 14.3
Wire Diameter 1.19 mm
The 70976CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.047" diameter music wire, the 70976 spring design exhibits reliable strength across its 14.3 active coils, withstanding repeated compression cycles with a maximum load of 18 lbf without succumbing to fatigue.

We manufacture the 70976 design to provide a compression spring that is 1.38" long at rest and provides a consistent rate of 35 lbs/in along its recommended maximum of 0.5" deflection. For best results, your application should fully accommodate the inner (0.206") and outer (0.3") diameters of this spring and be designed for its closed & ground end configuration.

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