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252-ACS - 1.50 Inch Music Wire Extension Springs

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Estimated Lead Time

The 252-ACS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and features a durable zinc finish. This spring has a wire diameter of 0.018 inch and an outside diameter of 0.188 inches. With a free length of 1.5 inches and a maximum deflection of 3.3 inches, it offers reliable performance for various applications. The initial tension of 0.1 pound ensures proper functionality. The 252-ACS has a spring rate of 0.45 lbs/inch and can handle a maximum load of 1.6 pound force. Its left wind direction and machine hook ends make it easy to install. Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. Our springs, including the 252-ACS, are proudly made in the United States. With our efficient shipping and abundant supply, Century Spring ensures that customers can promptly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.1 lb
Length 1.5 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 0.45 lbs/in
SKU 252-ACS
Sugg Max Deflection 3.3 in
Sugg Max Load 1.6 lbf
Wire Diameter 0.018 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.05 kg
Length 38.1 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.08 N/mm
SKU 252-ACS
Sugg Max Deflection 83.82 mm
Sugg Max Load 7.12 N
Wire Diameter 0.46 mm