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4331CS - 4.5" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 9 coils and closed & ground ends. This spring features an O.D. of 1.875", and an I.D. of 1.125".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4331
Ends Closed & Ground
Finish Gold Iridite
Free Length 4.5 in
Inside Diameter 1.125 in
Material Spring Steel
Outside Diameter 1.875 in
Part Type Standard
Rate 1203 lbs/in
SKU 4331CS
Solid Length 3.38 in
Suggested Max Deflection 0.55 in
Suggested Max Load 665 lbf
Total Coils 9
Wire Diameter 0.375 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4331
Ends Closed & Ground
Finish Gold Iridite
Free Length 114.3 mm
Inside Diameter 28.58 mm
Material Spring Steel
Outside Diameter 47.63 mm
Part Type Standard
Rate 210.65 N/mm
SKU 4331CS
Solid Length 85.85 mm
Suggested Max Deflection 13.97 mm
Suggested Max Load 2957.92 N
Total Coils 9
Wire Diameter 9.53 mm
The 4331CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.375" diameter spring steel, the 4331 spring design exhibits reliable strength across its 9 active coils, withstanding repeated compression cycles with a maximum load of 665 lbf without succumbing to fatigue.

We manufacture the 4331 design to provide a compression spring that is 4.5" long at rest and provides a consistent rate of 1203 lbs/in along its recommended maximum of 0.55" deflection. For best results, your application should fully accommodate the inner (1.125") and outer (1.875") diameters of this spring and be designed for its closed & ground end configuration.

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