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178-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 178-ACS is a regular extension spring manufactured by Century Spring. It features machine hook ends and is finished with zinc for durability. This spring has a free length of 1.5 inches and an initial tension of 0.1 pound. Made from high-quality music wire, it can handle a maximum deflection of 5.5 inches and a maximum load of 2 pound force. With an outside diameter of 0.312 inches and a wire diameter of 0.023 inches, it has a spring rate of 0.35 inches per pound. The 178-ACS is a left-wound spring and is suitable for various applications requiring extension springs.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the 178-ACS, are proudly made in the United States. We understand the importance of timely delivery and ensuring that our customers have access to the springs they need for their projects. With our reliable shipping and ample supply, Century Spring is committed to meeting your spring needs efficiently and effectively.

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 0.312 in
Part Type Standard
Rate 0.35 lbs/in
SKU 178-ACS
Sugg Max Deflection 5.5 in
Sugg Max Load 2 lbf
Wind Direction Left
Wire Diameter 0.023 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 7.92 mm
Part Type Standard
Rate 0.06 N/mm
SKU 178-ACS
Sugg Max Deflection 139.7 mm
Sugg Max Load 8.9 N
Wind Direction Left
Wire Diameter 0.58 mm