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258-ACS - 1.50 Inch Music Wire Extension Springs

The 258-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 0.125 inches. With an initial tension of 0.1 pound and a maximum deflection of 2.7 inches, it offers reliable performance for a variety of applications. The 258-ACS has a spring rate of 0.43 inches per pound and a maximum load capacity of 1.3 pound force. Its ends are designed with full loops, ensuring secure attachment. Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. All of our springs, including the 258-ACS, are proudly made in the United States. With our commitment to quality and prompt delivery, Century Spring is your trusted source for top-notch springs.

Century Spring is dedicated to providing fast shipping and maintaining a substantial inventory of springs. We understand the importance of quick turnaround times for your projects, which is why we strive to ship orders promptly. Additionally, our extensive stock inventory ensures that you can find the springs you need without delays. When you choose Century Spring, you are not only benefiting from our efficient shipping and ample supply, but also supporting American manufacturing. All of our springs, including the 258-ACS, are proudly made in the United States. Trust Century Spring for superior quality, fast delivery, and reliable customer service.

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 0.125 in
Part Type Standard
Rate 0.43 lbs/in
SKU 258-ACS
Sugg Max Deflection 2.7 in
Sugg Max Load 1.3 lbf
Wind Direction Left
Wire Diameter 0.014 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 3.18 mm
Part Type Standard
Rate 0.08 N/mm
SKU 258-ACS
Sugg Max Deflection 68.58 mm
Sugg Max Load 5.78 N
Wind Direction Left
Wire Diameter 0.36 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.28
50 - 149 $2.17
150 - 299 $2.06
300 - 499 $1.94
500 - 749 $1.71
750 - 999 $1.49
1000+ Call for price