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Century Spring

3933CS - 5.5" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 19 coils and closed & ground ends. This spring features an O.D. of 0.875", and an I.D. of 0.693".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3933
Ends Closed & Ground
Finish Zinc
Free Length 5.5 in
Inside Diameter 0.693 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 12 lbs/in
SKU 3933CS
Solid Length 1.73 in
Suggested Max Deflection 2.3 in
Suggested Max Load 28 lbf
Total Coils 19
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3933
Ends Closed & Ground
Finish Zinc
Free Length 139.7 mm
Inside Diameter 17.6 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 2.1 N/mm
SKU 3933CS
Solid Length 43.94 mm
Suggested Max Deflection 58.42 mm
Suggested Max Load 124.54 N
Total Coils 19
Wire Diameter 2.31 mm
The 3933CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.091" diameter spring steel, the 3933 spring design exhibits reliable strength across its 19 active coils, withstanding repeated compression cycles with a maximum load of 28 lbf without succumbing to fatigue.

We manufacture the 3933 design to provide a compression spring that is 5.5" long at rest and provides a consistent rate of 12 lbs/in along its recommended maximum of 2.3" deflection. For best results, your application should fully accommodate the inner (0.693") and outer (0.875") diameters of this spring and be designed for its closed & ground end configuration.

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