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81000CS - 9 Inch Music Wire Extension Springs

Inventory Status
Limited Availability

The 81000CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire with a wire diameter of 0.105 inch and an outer diameter of 1 inches. This spring has a free length of 9 inches and an initial tension of 4 pounds. It can handle a maximum load of 46 pound force and has a maximum deflection of 12 inches. The 81000CS is designed with full loop ends, ensuring secure attachment to the desired application. This standard extension spring is suitable for a wide range of uses.

At Century Spring, we take pride in our fast shipping and extensive inventory. We understand the importance of timely delivery and maintaining a large stock of springs to meet the needs of our customers. All of our springs, including the 81000CS, are proudly made in the United States. With our reliable shipping and ample supply, you can count on Century Spring to provide you with the high-quality springs you require for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 4 lb
Length 9 in
Material Music Wire
Outside Diameter 1 in
Part Type Standard
Rate 3.6 lbs/in
SKU 81000CS
Sugg Max Deflection 12 in
Sugg Max Load 46 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 1.81 kg
Length 228.6 mm
Material Music Wire
Outside Diameter 25.4 mm
Part Type Standard
Rate 0.63 N/mm
SKU 81000CS
Sugg Max Deflection 304.8 mm
Sugg Max Load 204.61 N
Wind Direction Left
Wire Diameter 2.67 mm