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Century Spring

3403CS - 2.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7.75 coils and closed & ground ends. This spring features an O.D. of 0.968", and an I.D. of 0.768".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3403
Ends Closed & Ground
Finish Zinc
Free Length 2.25 in
Inside Diameter 0.768 in
Material Spring Steel
Outside Diameter 0.968 in
Part Type Standard
Rate 38 lbs/in
SKU 3403CS
Solid Length 0.78 in
Suggested Max Deflection 0.88 in
Suggested Max Load 34 lbf
Total Coils 7.75
Wire Diameter 0.1 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3403
Ends Closed & Ground
Finish Zinc
Free Length 57.15 mm
Inside Diameter 19.51 mm
Material Spring Steel
Outside Diameter 24.59 mm
Part Type Standard
Rate 6.65 N/mm
SKU 3403CS
Solid Length 19.81 mm
Suggested Max Deflection 22.35 mm
Suggested Max Load 151.23 N
Total Coils 7.75
Wire Diameter 2.54 mm
The 3403CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.1" diameter spring steel, the 3403 spring design exhibits reliable strength across its 7.75 active coils, withstanding repeated compression cycles with a maximum load of 34 lbf without succumbing to fatigue.

We manufacture the 3403 design to provide a compression spring that is 2.25" long at rest and provides a consistent rate of 38 lbs/in along its recommended maximum of 0.88" deflection. For best results, your application should fully accommodate the inner (0.768") and outer (0.968") diameters of this spring and be designed for its closed & ground end configuration.

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