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Century Spring

3186CS - 1.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 5 coils and closed & ground ends. This spring features an O.D. of 1.188", and an I.D. of 0.774".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3186
Ends Closed & Ground
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.774 in
Material Spring Steel
Outside Diameter 1.188 in
Part Type Standard
Rate 932 lbs/in
SKU 3186CS
Solid Length 1.04 in
Suggested Max Deflection 0.22 in
Suggested Max Load 204 lbf
Total Coils 5
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3186
Ends Closed & Ground
Finish Zinc
Free Length 38.1 mm
Inside Diameter 19.66 mm
Material Spring Steel
Outside Diameter 30.18 mm
Part Type Standard
Rate 163.19 N/mm
SKU 3186CS
Solid Length 26.42 mm
Suggested Max Deflection 5.59 mm
Suggested Max Load 907.39 N
Total Coils 5
Wire Diameter 5.26 mm
The 3186CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.207" diameter spring steel, the 3186 spring design exhibits reliable strength across its 5 active coils, withstanding repeated compression cycles with a maximum load of 204 lbf without succumbing to fatigue.

We manufacture the 3186 design to provide a compression spring that is 1.5" long at rest and provides a consistent rate of 932 lbs/in along its recommended maximum of 0.22" deflection. For best results, your application should fully accommodate the inner (0.774") and outer (1.188") diameters of this spring and be designed for its closed & ground end configuration.

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