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80664CS - 2.50 Inch Music Wire Extension Springs

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

The 80664CS is a regular extension spring manufactured by Century Spring. This spring is made from high-quality music wire and has a smooth finish. With a wire diameter of 0.041 inches and an outside diameter of 0.5 inches, it has a free length of 2.5 inches. The initial tension of this spring is 0.5 pounds, and it can handle a maximum load of 6.5 pounds force. With a maximum deflection of 5.4 inches, it has a spring rate of 1.1 lbs/inch. The 80664CS features full loop ends and is designed for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 80664CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.5 lb
Length 2.5 in
Material Music Wire
Outside Diameter 0.5 in
Part Type Standard
Rate 1.1 lbs/in
SKU 80664CS
Sugg Max Deflection 5.4 in
Sugg Max Load 6.5 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.23 kg
Length 63.5 mm
Material Music Wire
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.19 N/mm
SKU 80664CS
Sugg Max Deflection 137.16 mm
Sugg Max Load 28.91 N
Wind Direction Left
Wire Diameter 1.04 mm