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3477CS - 1.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 11 coils and closed & ground ends. This spring features an O.D. of 0.531", and an I.D. of 0.421".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3477
Ends Closed & Ground
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.421 in
Material Spring Steel
Outside Diameter 0.531 in
Part Type Standard
Rate 14 lbs/in
SKU 3477CS
Solid Length 0.61 in
Suggested Max Deflection 0.83 in
Suggested Max Load 11 lbf
Total Coils 11
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3477
Ends Closed & Ground
Finish Zinc
Free Length 38.1 mm
Inside Diameter 10.69 mm
Material Spring Steel
Outside Diameter 13.49 mm
Part Type Standard
Rate 2.45 N/mm
SKU 3477CS
Solid Length 15.49 mm
Suggested Max Deflection 21.08 mm
Suggested Max Load 48.93 N
Total Coils 11
Wire Diameter 1.4 mm
The 3477CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.055" diameter spring steel, the 3477 spring design exhibits reliable strength across its 11 active coils, withstanding repeated compression cycles with a maximum load of 11 lbf without succumbing to fatigue.

We manufacture the 3477 design to provide a compression spring that is 1.5" long at rest and provides a consistent rate of 14 lbs/in along its recommended maximum of 0.83" deflection. For best results, your application should fully accommodate the inner (0.421") and outer (0.531") diameters of this spring and be designed for its closed & ground end configuration.