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11906CS - 5.75" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 12 coils and closed & ground ends. This spring features an O.D. of 1.406", and an I.D. of 1.166".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11906
Ends Closed & Ground
Finish None
Free Length 5.75 in
Inside Diameter 1.166 in
Material Spring Steel
Outside Diameter 1.406 in
Part Type Standard
Rate 14 lbs/in
SKU 11906CS
Solid Length 1.44 in
Suggested Max Deflection 2.8 in
Suggested Max Load 39 lbf
Total Coils 12
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11906
Ends Closed & Ground
Finish None
Free Length 146.05 mm
Inside Diameter 29.62 mm
Material Spring Steel
Outside Diameter 35.71 mm
Part Type Standard
Rate 2.45 N/mm
SKU 11906CS
Solid Length 36.58 mm
Suggested Max Deflection 71.12 mm
Suggested Max Load 173.47 N
Total Coils 12
Wire Diameter 3.05 mm
The 11906CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.12" diameter spring steel, the 11906 spring design exhibits reliable strength across its 12 active coils, withstanding repeated compression cycles with a maximum load of 39 lbf without succumbing to fatigue.

We manufacture the 11906 design to provide a compression spring that is 5.75" long at rest and provides a consistent rate of 14 lbs/in along its recommended maximum of 2.8" deflection. For best results, your application should fully accommodate the inner (1.166") and outer (1.406") diameters of this spring and be designed for its closed & ground end configuration.