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442CS - 2.22 Inch Music Wire Extension Springs

The 442CS is a regular extension spring manufactured by Century Spring. It features a full loop on both ends and is finished with zinc plating for added durability. This spring has a free length of 2.22 inches and an initial tension of 0.3 pounds. Made from high-quality music wire, it offers a maximum deflection of 5.9 inches and can handle a maximum load of 3.3 pounds force. With an outside diameter of 0.328 inches and a wire diameter of 0.028 inches, the 442CS has a spring rate of 0.52 inches per pound. It is a left-wound spring and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the 442CS, are promptly shipped to our customers. With our significant stock, you can count on us to have the springs you need readily available. Plus, all our springs are proudly made in the United States, guaranteeing high-quality craftsmanship and supporting local manufacturing. Trust Century Spring for your spring needs, and experience reliable shipping and a wide selection of springs made right here in the USA.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.3 lb
Length 2.22 in
Material Music Wire
Outside Diameter 0.328 in
Part Type Standard
Rate 0.52 lbs/in
SKU 442CS
Sugg Max Deflection 5.9 in
Sugg Max Load 3.3 lbf
Wind Direction Left
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.14 kg
Length 56.39 mm
Material Music Wire
Outside Diameter 8.33 mm
Part Type Standard
Rate 0.09 N/mm
SKU 442CS
Sugg Max Deflection 149.86 mm
Sugg Max Load 14.68 N
Wind Direction Left
Wire Diameter 0.71 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.08
50 - 149 $1.98
150 - 299 $1.88
300 - 499 $1.77
500 - 749 $1.56
750 - 999 $1.36
1000+ Call for price