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Century Spring

UU-65CS - 0.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 3 coils and closed & ground ends. This spring features an O.D. of 0.609", and an I.D. of 0.489".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name UU-65
Ends Closed & Ground
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.489 in
Material Spring Steel
Outside Diameter 0.609 in
Part Type Standard
Rate 113 lbs/in
SKU UU-65CS
Solid Length 0.18 in
Suggested Max Deflection 0.11 in
Suggested Max Load 13 lbf
Total Coils 3
Wire Diameter 0.06 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name UU-65
Ends Closed & Ground
Finish Zinc
Free Length 12.7 mm
Inside Diameter 12.42 mm
Material Spring Steel
Outside Diameter 15.47 mm
Part Type Standard
Rate 19.79 N/mm
SKU UU-65CS
Solid Length 4.57 mm
Suggested Max Deflection 2.79 mm
Suggested Max Load 57.82 N
Total Coils 3
Wire Diameter 1.52 mm
The UU-65CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.06" diameter spring steel, the UU-65 spring design exhibits reliable strength across its 3 active coils, withstanding repeated compression cycles with a maximum load of 13 lbf without succumbing to fatigue.

We manufacture the UU-65 design to provide a compression spring that is 0.5" long at rest and provides a consistent rate of 113 lbs/in along its recommended maximum of 0.11" deflection. For best results, your application should fully accommodate the inner (0.489") and outer (0.609") diameters of this spring and be designed for its closed & ground end configuration.

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