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12136CS - 1.28" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 4.5 coils and closed ends. This spring features an O.D. of 1.015", and an I.D. of 0.89".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12136
Ends Closed
Finish Zinc
Free Length 1.28 in
Inside Diameter 0.89 in
Material Spring Steel
Outside Diameter 1.015 in
Part Type Standard
Rate 10 lbs/in
SKU 12136CS
Solid Length 0.35 in
Suggested Max Deflection 0.86 in
Suggested Max Load 9 lbf
Total Coils 4.5
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12136
Ends Closed
Finish Zinc
Free Length 32.51 mm
Inside Diameter 22.61 mm
Material Spring Steel
Outside Diameter 25.78 mm
Part Type Standard
Rate 1.75 N/mm
SKU 12136CS
Solid Length 8.89 mm
Suggested Max Deflection 21.84 mm
Suggested Max Load 40.03 N
Total Coils 4.5
Wire Diameter 1.59 mm
The 12136CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.0625" diameter spring steel, the 12136 spring design exhibits reliable strength across its 4.5 active coils, withstanding repeated compression cycles with a maximum load of 9 lbf without succumbing to fatigue.

We manufacture the 12136 design to provide a compression spring that is 1.28" long at rest and provides a consistent rate of 10 lbs/in along its recommended maximum of 0.86" deflection. For best results, your application should fully accommodate the inner (0.89") and outer (1.015") diameters of this spring and be designed for its closed end configuration.

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