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Century Spring

3351CS - 3" 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 0.921", and an I.D. of 0.761".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3351
Ends Closed & Ground
Finish Zinc
Free Length 3 in
Inside Diameter 0.761 in
Material Spring Steel
Outside Diameter 0.921 in
Part Type Standard
Rate 9.9 lbs/in
SKU 3351CS
Solid Length 0.96 in
Suggested Max Deflection 1.9 in
Suggested Max Load 19 lbf
Total Coils 12
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3351
Ends Closed & Ground
Finish Zinc
Free Length 76.2 mm
Inside Diameter 19.33 mm
Material Spring Steel
Outside Diameter 23.39 mm
Part Type Standard
Rate 1.73 N/mm
SKU 3351CS
Solid Length 24.38 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 84.51 N
Total Coils 12
Wire Diameter 2.03 mm
The 3351CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.08" diameter spring steel, the 3351 spring design exhibits reliable strength across its 12 active coils, withstanding repeated compression cycles with a maximum load of 19 lbf without succumbing to fatigue.

We manufacture the 3351 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 9.9 lbs/in along its recommended maximum of 1.9" deflection. For best results, your application should fully accommodate the inner (0.761") and outer (0.921") diameters of this spring and be designed for its closed & ground end configuration.

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