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.

177-ACS - 1.50 Inch Music Wire Extension Springs

The 177-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 free length of 1.5 inches and an outside diameter of 0.312 inches. With an initial tension of 0.2 pounds, it offers reliable performance and flexibility. The 177-ACS has a maximum deflection of 4.3 inches and a maximum load capacity of 2.5 pounds force. Its wire diameter measures 0.025 inches, and it has a spring rate of 0.54 inches per pound. Designed with machine hooks on both ends, this extension spring is perfect for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of receiving your springs promptly, which is why we offer efficient shipping options to ensure timely delivery. Additionally, our significant stock inventory ensures that you can find the right springs for your projects without any delays. As a company committed to quality, we proudly manufacture all our springs in the United States. When you choose Century Spring, you can trust that you are receiving reliable products that are made to the highest standards.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.2 lb
Length 1.5 in
Material Music Wire
Outside Diameter 0.312 in
Part Type Standard
Rate 0.54 lbs/in
SKU 177-ACS
Sugg Max Deflection 4.3 in
Sugg Max Load 2.5 lbf
Wind Direction Left
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.09 kg
Length 38.1 mm
Material Music Wire
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.09 N/mm
SKU 177-ACS
Sugg Max Deflection 109.22 mm
Sugg Max Load 11.12 N
Wind Direction Left
Wire Diameter 0.64 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.12
50 - 149 $2.02
150 - 299 $1.91
300 - 499 $1.81
500 - 749 $1.59
750 - 999 $1.38
1000+ Call for price