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Century Spring

77107CS - 3.898" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 5.5 coils and closed & ground ends. This spring features an O.D. of 2.126", and an I.D. of 1.811".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 77107
Ends Closed & Ground
Finish None
Free Length 3.898 in
Inside Diameter 1.811 in
Material Music Wire
Outside Diameter 2.126 in
Part Type Metric
Rate 33.116 lbs/in
SKU 77107CS
Solid Length 0.866 in
Suggested Max Deflection 2.385 in
Suggested Max Load 78.985 lbf
Total Coils 5.5
Wire Diameter 0.157 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 77107
Ends Closed & Ground
Finish None
Free Length 99.01 mm
Inside Diameter 46 mm
Material Music Wire
Outside Diameter 54 mm
Part Type Metric
Rate 5.8 N/mm
SKU 77107CS
Solid Length 22 mm
Suggested Max Deflection 60.58 mm
Suggested Max Load 351.33 N
Total Coils 5.5
Wire Diameter 3.99 mm
The 77107CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.157" diameter music wire, the 77107 spring design exhibits reliable strength across its 5.5 active coils, withstanding repeated compression cycles with a maximum load of 78.985 lbf without succumbing to fatigue.

We manufacture the 77107 design to provide a compression spring that is 3.898" long at rest and provides a consistent rate of 33.116 lbs/in along its recommended maximum of 2.385" deflection. For best results, your application should fully accommodate the inner (1.811") and outer (2.126") diameters of this spring and be designed for its closed & ground end configuration.

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