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257-ACS - 1.50 Inch Music Wire Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 257-ACS is a regular extension spring manufactured by Century Spring. This spring is made from Music Wire and features a durable zinc finish. With a wire diameter of 0.015 Inch and an outside diameter of 0.156 inches, this spring has a free length of 1.5 inches. It has an initial tension of 0.1 Pound and a maximum deflection of 3.4 inches. The 257-ACS has a maximum load capacity of 1.1 Pound Force and a spring rate of 0.3 inches per pound. It is equipped with machine hooks on both ends. This standard extension spring is suitable for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the 257-ACS, are proudly made in the United States. We understand the importance of timely delivery and strive to ensure that our customers receive the springs they need promptly. With our commitment to quality and availability, Century Spring is your reliable partner for all your spring requirements.

Unit System
View Spec Sheet
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 0.156 in
Part Type Standard
Rate 0.3 lbs/in
SKU 257-ACS
Sugg Max Deflection 3.4 in
Sugg Max Load 1.1 lbf
Wind Direction Left
Wire Diameter 0.015 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 3.96 mm
Part Type Standard
Rate 0.05 N/mm
SKU 257-ACS
Sugg Max Deflection 86.36 mm
Sugg Max Load 4.89 N
Wind Direction Left
Wire Diameter 0.38 mm