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5446CS - 4 Inch Music Wire Extension Springs

The 5446CS is a regular extension spring manufactured by Century Spring. It features machine hooks on both ends for easy installation. This spring is made from high-quality music wire and has a durable zinc finish. With a free length of 4 inches and an initial tension of 0.1 pound, the 5446CS offers reliable performance. It has a maximum deflection of 24 inches and can handle a maximum load of 2.7 pounds. The spring has an outer diameter of 0.5 inches and a wire diameter of 0.03 inches. With a spring rate of 0.11 inches per pound, it provides the necessary flexibility for various applications. The 5446CS is a standard extension spring suitable for a wide range of uses.

Century Spring takes pride in its fast shipping and extensive stock inventory. As a leading manufacturer in the United States, we ensure that our customers receive their springs promptly. With our commitment to quality and ample supply, Century Spring is the go-to choice for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.1 lb
Length 4 in
Material Music Wire
Outside Diameter 0.5 in
Part Type Standard
Rate 0.11 lbs/in
SKU 5446CS
Sugg Max Deflection 24 in
Sugg Max Load 2.7 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.05 kg
Length 101.6 mm
Material Music Wire
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.02 N/mm
SKU 5446CS
Sugg Max Deflection 609.6 mm
Sugg Max Load 12.01 N
Wind Direction Left
Wire Diameter 0.76 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $6.47
50 - 149 $6.15
150 - 299 $5.83
300 - 499 $5.50
500 - 749 $4.86
750 - 999 $4.21
1000+ Call for price