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Century Spring

2861CS - 1.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 23 coils and closed ends. This spring features an O.D. of 0.219", and an I.D. of 0.171".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2861
Ends Closed
Finish Gold Iridite
Free Length 1.25 in
Inside Diameter 0.171 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 3.1 lbs/in
SKU 2861CS
Solid Length 0.58 in
Suggested Max Deflection 0.67 in
Suggested Max Load 2.1 lbf
Total Coils 23
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2861
Ends Closed
Finish Gold Iridite
Free Length 31.75 mm
Inside Diameter 4.34 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 0.54 N/mm
SKU 2861CS
Solid Length 14.73 mm
Suggested Max Deflection 17.02 mm
Suggested Max Load 9.34 N
Total Coils 23
Wire Diameter 0.61 mm
The 2861CS 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 2861 spring design exhibits reliable strength across its 23 active coils, withstanding repeated compression cycles with a maximum load of 2.1 lbf without succumbing to fatigue.

We manufacture the 2861 design to provide a compression spring that is 1.25" long at rest and provides a consistent rate of 3.1 lbs/in along its recommended maximum of 0.67" deflection. For best results, your application should fully accommodate the inner (0.171") and outer (0.219") diameters of this spring and be designed for its closed end configuration.

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