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443CS - 1.03 Inch Music Wire Extension Springs

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

The 443CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends for easy installation. Made from high-quality music wire, this spring has a zinc finish for added durability. With a free length of 1.03 inches and an initial tension of 0.2 pounds, it provides excellent flexibility and strength. The 443CS has a maximum deflection of 1.5 inches and can withstand a maximum load of 2.7 pounds. Its outside diameter measures 0.234 inches, and it has a wire diameter of 0.023 inches. This standard-sized spring has a rate of 1.6 inches per pound and weighs only 0.0026 pounds, making it lightweight and efficient. Trust Century Spring for reliable and high-quality springs like the 443CS.

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 ensure that your order reaches you quickly. With our significant stock availability, you can rely on us to have the springs you need in stock and ready to ship. We are committed to supporting American manufacturing, and all our springs, including the 443CS, are proudly made in the United States. Experience the convenience and quality of Century Spring as we provide you with the springs you need for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.2 lb
Length 1.03 in
Material Music Wire
Outside Diameter 0.234 in
Part Type Standard
Rate 1.6 lbs/in
SKU 443CS
Sugg Max Deflection 1.5 in
Sugg Max Load 2.7 lbf
Wind Direction Left
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.09 kg
Length 26.16 mm
Material Music Wire
Outside Diameter 5.94 mm
Part Type Standard
Rate 0.28 N/mm
SKU 443CS
Sugg Max Deflection 38.1 mm
Sugg Max Load 12.01 N
Wind Direction Left
Wire Diameter 0.58 mm