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444CS - 1.53 Inch Music Wire Extension Springs

The 444CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 1.53 inches, this spring is made from durable music wire material. It has an initial tension of 0.3 pounds and can handle a maximum deflection of 2.3 inches. The 444CS has a maximum load capacity of 2.6 pounds force and a rate of 1 inches per pound. With an outside diameter of 0.188 inches and a wire diameter of 0.021 inches, this standard spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand that our customers need their springs promptly, which is why we ensure quick delivery. Furthermore, all of our products, including the 444CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is committed to providing customers with the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.3 lb
Length 1.53 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 1 lbs/in
SKU 444CS
Sugg Max Deflection 2.3 in
Sugg Max Load 2.6 lbf
Wind Direction Left
Wire Diameter 0.021 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.14 kg
Length 38.86 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.18 N/mm
SKU 444CS
Sugg Max Deflection 58.42 mm
Sugg Max Load 11.56 N
Wind Direction Left
Wire Diameter 0.53 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.88
50 - 149 $1.79
150 - 299 $1.70
300 - 499 $1.60
500 - 749 $1.41
750 - 999 $1.23
1000+ Call for price