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Century Spring

3429CS - 2.63" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 15.5 coils and closed & ground ends. This spring features an O.D. of 0.515", and an I.D. of 0.265".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3429
Ends Closed & Ground
Finish Zinc
Free Length 2.63 in
Inside Diameter 0.265 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 438 lbs/in
SKU 3429CS
Solid Length 1.94 in
Suggested Max Deflection 0.24 in
Suggested Max Load 107 lbf
Total Coils 15.5
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3429
Ends Closed & Ground
Finish Zinc
Free Length 66.8 mm
Inside Diameter 6.73 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 76.69 N/mm
SKU 3429CS
Solid Length 49.28 mm
Suggested Max Deflection 6.1 mm
Suggested Max Load 475.94 N
Total Coils 15.5
Wire Diameter 3.18 mm
The 3429CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.125" diameter spring steel, the 3429 spring design exhibits reliable strength across its 15.5 active coils, withstanding repeated compression cycles with a maximum load of 107 lbf without succumbing to fatigue.

We manufacture the 3429 design to provide a compression spring that is 2.63" long at rest and provides a consistent rate of 438 lbs/in along its recommended maximum of 0.24" deflection. For best results, your application should fully accommodate the inner (0.265") and outer (0.515") diameters of this spring and be designed for its closed & ground end configuration.

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