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80666CS - 3 Inch Music Wire Extension Springs

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

The 80666CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a natural finish. This spring has a wire diameter of 0.041 inch and an outside diameter of 0.5 inches. The free length of the spring is 3 inches, and it has an initial tension of 0.5 pound. The maximum deflection it can handle is 7.5 inches, and it has a maximum load capacity of 6.5 pounds. The spring rate is 0.8 lbs/inch. With its full loop ends, the 80666CS is a reliable extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the urgency of your projects and strive to deliver your springs promptly. Our commitment to quality extends to the manufacturing process, as all our springs, including the 80666CS, are proudly made in the United States. You can rely on us to provide you with the springs you need, when you need them.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.5 lb
Length 3 in
Material Music Wire
Outside Diameter 0.5 in
Part Type Standard
Rate 0.8 lbs/in
SKU 80666CS
Sugg Max Deflection 7.5 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 76.2 mm
Material Music Wire
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.14 N/mm
SKU 80666CS
Sugg Max Deflection 190.5 mm
Sugg Max Load 28.91 N
Wind Direction Left
Wire Diameter 1.04 mm