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Century Spring

71025CS - 3" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 31 coils and closed & ground ends. This spring features an O.D. of 0.3", and an I.D. of 0.198".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71025
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.198 in
Material Music Wire
Outside Diameter 0.3 in
Part Type Standard
Rate 22 lbs/in
SKU 71025CS
Solid Length 1.58 in
Suggested Max Deflection 0.97 in
Suggested Max Load 21 lbf
Total Coils 31
Wire Diameter 0.051 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71025
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 5.03 mm
Material Music Wire
Outside Diameter 7.62 mm
Part Type Standard
Rate 3.85 N/mm
SKU 71025CS
Solid Length 40.13 mm
Suggested Max Deflection 24.64 mm
Suggested Max Load 93.41 N
Total Coils 31
Wire Diameter 1.3 mm
The 71025CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.051" diameter music wire, the 71025 spring design exhibits reliable strength across its 31 active coils, withstanding repeated compression cycles with a maximum load of 21 lbf without succumbing to fatigue.

We manufacture the 71025 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 22 lbs/in along its recommended maximum of 0.97" deflection. For best results, your application should fully accommodate the inner (0.198") and outer (0.3") diameters of this spring and be designed for its closed & ground end configuration.

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