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81200CS - 9 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The 81200CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and does not have any finish. This spring has a wire diameter of 0.207 inches, an outer diameter of 2 inches, and a free length of 9 inches. It has an initial tension of 13 pounds and a maximum deflection of 7.9 inches. The 81200CS has a spring rate of 18 inch-pounds and a maximum load capacity of 153 pound force. It features full loop ends, providing a secure attachment for your application. This regular extension spring is suitable for a wide range of industrial and commercial uses.

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 strive to ship orders promptly. Additionally, our substantial stock ensures that you can find the springs you need without delay. Rest assured that all our products, including the 81200CS, are proudly made in the United States. With Century Spring, you can rely on reliable shipping, ample supply, and high-quality springs for your projects.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 13 lb
Length 9 in
Material Music Wire
Outside Diameter 2 in
Part Type Standard
Rate 18 lbs/in
SKU 81200CS
Sugg Max Deflection 7.9 in
Sugg Max Load 153 lbf
Wind Direction Left
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 5.9 kg
Length 228.6 mm
Material Music Wire
Outside Diameter 50.8 mm
Part Type Standard
Rate 3.15 N/mm
SKU 81200CS
Sugg Max Deflection 200.66 mm
Sugg Max Load 680.54 N
Wind Direction Left
Wire Diameter 5.26 mm