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Century Spring

2778CS - 2.06" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 8.75 coils and closed ends. This spring features an O.D. of 0.718", and an I.D. of 0.568".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2778
Ends Closed
Finish Zinc
Free Length 2.06 in
Inside Diameter 0.568 in
Material Music Wire
Outside Diameter 0.718 in
Part Type Standard
Rate 25 lbs/in
SKU 2778CS
Solid Length 0.73 in
Suggested Max Deflection 1.1 in
Suggested Max Load 28 lbf
Total Coils 8.75
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2778
Ends Closed
Finish Zinc
Free Length 52.32 mm
Inside Diameter 14.43 mm
Material Music Wire
Outside Diameter 18.24 mm
Part Type Standard
Rate 4.38 N/mm
SKU 2778CS
Solid Length 18.54 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 124.54 N
Total Coils 8.75
Wire Diameter 1.91 mm
The 2778CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.075" diameter music wire, the 2778 spring design exhibits reliable strength across its 8.75 active coils, withstanding repeated compression cycles with a maximum load of 28 lbf without succumbing to fatigue.

We manufacture the 2778 design to provide a compression spring that is 2.06" long at rest and provides a consistent rate of 25 lbs/in along its recommended maximum of 1.1" deflection. For best results, your application should fully accommodate the inner (0.568") and outer (0.718") diameters of this spring and be designed for its closed end configuration.

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