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5664CS - 1.97 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The 5664CS spring is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and features a durable zinc finish. With a free length of 1.97 inches and an outside diameter of 0.188 inches, this spring offers a maximum deflection of 2.4 inches. It has an initial tension of 0.4 pounds and a maximum load capacity of 3.5 pounds force. The wire diameter measures 0.023 inches, and the spring rate is 1.3 lbs/inch. The 5664CS spring is equipped with machine hook ends, providing secure attachment.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of prompt delivery, so customers can rely on us to quickly fulfill their orders. Additionally, all of our springs, including the 5664CS, are proudly made in the United States. With our commitment to quality and availability, Century Spring ensures that customers have access to the springs they need for their projects.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.4 lb
Length 1.97 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 1.3 lbs/in
SKU 5664CS
Sugg Max Deflection 2.4 in
Sugg Max Load 3.5 lbf
Wind Direction Left
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.18 kg
Length 50.04 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.23 N/mm
SKU 5664CS
Sugg Max Deflection 60.96 mm
Sugg Max Load 15.57 N
Wind Direction Left
Wire Diameter 0.58 mm