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Century Spring

3271CS - 0.66" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 3 coils and closed ends. This spring features an O.D. of 0.875", and an I.D. of 0.775".

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 3271
Ends Closed
Finish Zinc
Free Length 0.66 in
Inside Diameter 0.775 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 16 lbs/in
SKU 3271CS
Solid Length 0.2 in
Suggested Max Deflection 0.33 in
Suggested Max Load 5.2 lbf
Total Coils 3
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3271
Ends Closed
Finish Zinc
Free Length 16.76 mm
Inside Diameter 19.69 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 2.8 N/mm
SKU 3271CS
Solid Length 5.08 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 23.13 N
Total Coils 3
Wire Diameter 1.27 mm
The 3271CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.05" diameter spring steel, the 3271 spring design exhibits reliable strength across its 3 active coils, withstanding repeated compression cycles with a maximum load of 5.2 lbf without succumbing to fatigue.

We manufacture the 3271 design to provide a compression spring that is 0.66" long at rest and provides a consistent rate of 16 lbs/in along its recommended maximum of 0.33" deflection. For best results, your application should fully accommodate the inner (0.775") and outer (0.875") diameters of this spring and be designed for its closed end configuration.

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