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M-136CS - 2.94 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The M-136CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire with a zinc finish. This spring has a wire diameter of 0.03 inches, an outer diameter of 0.25 inches, and a free length of 2.94 inches. It has an initial tension of 0.7 Pound and a maximum load capacity of 5.4 Pound Force. The M-136CS is a left wind spring with full loop ends. It offers a spring rate of 1.2 lbs/inch and a maximum deflection of 3.9 inches. This standard extension spring is suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the M-136CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that our customers receive their springs promptly. You can rely on Century Spring for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.7 lb
Length 2.94 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 1.2 lbs/in
SKU M-136CS
Sugg Max Deflection 3.9 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.32 kg
Length 74.68 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.21 N/mm
SKU M-136CS
Sugg Max Deflection 99.06 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 0.76 mm