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Century Spring

70371CS - 0.69" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 11.5 coils and closed & ground ends. This spring features an O.D. of 0.18", and an I.D. of 0.132".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70371
Ends Closed & Ground
Finish None
Free Length 0.69 in
Inside Diameter 0.132 in
Material Music Wire
Outside Diameter 0.18 in
Part Type Standard
Rate 13 lbs/in
SKU 70371CS
Solid Length 0.28 in
Suggested Max Deflection 0.34 in
Suggested Max Load 4.5 lbf
Total Coils 11.5
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70371
Ends Closed & Ground
Finish None
Free Length 17.53 mm
Inside Diameter 3.35 mm
Material Music Wire
Outside Diameter 4.57 mm
Part Type Standard
Rate 2.28 N/mm
SKU 70371CS
Solid Length 7.11 mm
Suggested Max Deflection 8.64 mm
Suggested Max Load 20.02 N
Total Coils 11.5
Wire Diameter 0.61 mm
The 70371CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.024" diameter music wire, the 70371 spring design exhibits reliable strength across its 11.5 active coils, withstanding repeated compression cycles with a maximum load of 4.5 lbf without succumbing to fatigue.

We manufacture the 70371 design to provide a compression spring that is 0.69" long at rest and provides a consistent rate of 13 lbs/in along its recommended maximum of 0.34" deflection. For best results, your application should fully accommodate the inner (0.132") and outer (0.18") diameters of this spring and be designed for its closed & ground end configuration.

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