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Century Spring

864 - 2.5 Inch Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from Spring Steel with 12 coils and Closed & Ground ends. This spring features an O.D. of 0.875 Inch, and an I.D. of 0.635 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 864
Ends Closed & Ground
Finish Zinc
Free Length 2.5 in
Inside Diameter 0.635 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 69 lbs/in
SKU 864CS
Solid Length 1.44 in
Suggested Max Deflection 0.88 in
Suggested Max Load 61 lbf
Total Coils 12
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 864
Ends Closed & Ground
Finish Zinc
Free Length 63.5 mm
Inside Diameter 16.13 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 12.08 N/mm
SKU 864CS
Solid Length 36.58 mm
Suggested Max Deflection 22.35 mm
Suggested Max Load 271.33 N
Total Coils 12
Wire Diameter 3.05 mm
The 864CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.12" diameter hard drawn, the 864 spring design exhibits reliable strength across its 12 active coils, withstanding repeated compression cycles with a maximum load of 61 lbf without succumbing to fatigue.

We manufacture the 864 design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 69 lbs/in along its recommended maximum of 0.88" deflection. For best results, your application should fully accommodate the inner (0.635") and outer (0.875") diameters of this spring and be designed for its closed & ground end configuration.

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