12371CS - 3.75 Inch Spring Steel Extension Springs
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The 12371CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.073 inches, an outside diameter of 0.593 inches, and a free length of 3.75 inches. It has an initial tension of 4 Pound and a maximum deflection of 2.5 inches. The 12371CS has a spring rate of 6.8 lbs/inch and can handle a maximum load of 21 Pound Force. It is equipped with machine hook ends and winds in the left direction.
At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our springs, including the 12371CS, are proudly made in the United States. With our dependable shipping and ample supply, Century Spring ensures that customers can promptly receive the springs they need for their projects.


Label | Value |
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Brand | Century Spring |
Ends | Machine Hook |
Finish | Zinc |
Initial Tension | 4 lb |
Length | 3.75 in |
Material | Spring Steel |
Outside Diameter | 0.593 in |
Part Type | Standard |
Rate | 6.8 lbs/in |
SKU | 12371CS |
Sugg Max Deflection | 2.5 in |
Sugg Max Load | 21 lbf |
Wind Direction | Left |
Wire Diameter | 0.073 in |
Label | Value |
---|---|
Brand | Century Spring |
Ends | Machine Hook |
Finish | Zinc |
Initial Tension | 1.81 kg |
Length | 95.25 mm |
Material | Spring Steel |
Outside Diameter | 15.06 mm |
Part Type | Standard |
Rate | 1.19 N/mm |
SKU | 12371CS |
Sugg Max Deflection | 63.5 mm |
Sugg Max Load | 93.41 N |
Wind Direction | Left |
Wire Diameter | 1.85 mm |