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81127CS - 7 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The 81127CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a natural finish. This spring has a wire diameter of 0.135 inches, an outside diameter of 1.25 inches, and a free length of 7 inches. It has an initial tension of 6 Pound and a maximum deflection of 6.9 inches. The 81127CS has a spring rate of 9.7 lbs/inch and a maximum load of 73 Pound Force. It is a full loop spring, meaning the ends are looped. The 81127CS is a standard extension spring suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We take pride in manufacturing our products, including the 81127CS, right here 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
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 12.2 lb
Length 7 in
Material Music Wire
Outside Diameter 1.25 in
Part Type Standard
Rate 9.7 lbs/in
SKU 81127CS
Sugg Max Deflection 6.9 in
Sugg Max Load 73 lbf
Wind Direction Left
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 5.53 kg
Length 177.8 mm
Material Music Wire
Outside Diameter 31.75 mm
Part Type Standard
Rate 1.7 N/mm
SKU 81127CS
Sugg Max Deflection 175.26 mm
Sugg Max Load 324.7 N
Wind Direction Left
Wire Diameter 3.43 mm