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Century Spring

70886CS - 2.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 21.9 coils and closed & ground ends. This spring features an O.D. of 0.3", and an I.D. of 0.23".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70886
Ends Closed & Ground
Finish None
Free Length 2.5 in
Inside Diameter 0.23 in
Material Music Wire
Outside Diameter 0.3 in
Part Type Standard
Rate 5.9 lbs/in
SKU 70886CS
Solid Length 0.77 in
Suggested Max Deflection 1.3 in
Suggested Max Load 7.5 lbf
Total Coils 21.9
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70886
Ends Closed & Ground
Finish None
Free Length 63.5 mm
Inside Diameter 5.84 mm
Material Music Wire
Outside Diameter 7.62 mm
Part Type Standard
Rate 1.03 N/mm
SKU 70886CS
Solid Length 19.56 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 33.36 N
Total Coils 21.9
Wire Diameter 0.89 mm
The 70886CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.035" diameter music wire, the 70886 spring design exhibits reliable strength across its 21.9 active coils, withstanding repeated compression cycles with a maximum load of 7.5 lbf without succumbing to fatigue.

We manufacture the 70886 design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 5.9 lbs/in along its recommended maximum of 1.3" deflection. For best results, your application should fully accommodate the inner (0.23") and outer (0.3") diameters of this spring and be designed for its closed & ground end configuration.

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