This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

172-ACS - 1.50 Inch Music Wire Extension Springs

The 172-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 0.02 inch and an outer diameter of 0.25 inches. With a free length of 1.5 inches, it offers a maximum deflection of 4.8 inches and a maximum load capacity of 1.7 pound force. The 172-ACS has an initial tension of 0.1 pound and a spring rate of 0.32 inches per pound. Its ends are designed with full loops for secure attachment. As a standard extension spring, it is suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to process and ship orders promptly. With our significant stock of springs, including the 172-ACS, customers can trust that we have the products they need readily available. Furthermore, all our springs are proudly made in the United States, ensuring the highest quality and craftsmanship. Whether you're working on a small project or a large-scale application, Century Spring is your reliable source for top-notch springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.1 lb
Length 1.5 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 0.32 lbs/in
SKU 172-ACS
Sugg Max Deflection 4.8 in
Sugg Max Load 1.7 lbf
Wind Direction Left
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.05 kg
Length 38.1 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.06 N/mm
SKU 172-ACS
Sugg Max Deflection 121.92 mm
Sugg Max Load 7.56 N
Wind Direction Left
Wire Diameter 0.51 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.32
50 - 149 $2.21
150 - 299 $2.09
300 - 499 $1.98
500 - 749 $1.74
750 - 999 $1.51
1000+ Call for price