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M-149CS - 1.06 Inch Music Wire Extension Springs

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The M-149CS 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 0.032 inches, an outside diameter of 0.234 inches, and a free length of 1.06 inches. It has an initial tension of 1 Pound and a maximum deflection of 0.71 inches. The M-149CS has a spring rate of 8.6 lbs/inch and a maximum load of 7.2 Pound Force. It features machine hook ends and a left-hand wind direction. This regular extension spring is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the M-149CS, are proudly made in the United States. With our reliable shipping and ample supply, we ensure that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 1 lb
Length 1.06 in
Material Music Wire
Outside Diameter 0.234 in
Part Type Standard
Rate 8.6 lbs/in
SKU M-149CS
Sugg Max Deflection 0.71 in
Sugg Max Load 7.2 lbf
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.45 kg
Length 26.92 mm
Material Music Wire
Outside Diameter 5.94 mm
Part Type Standard
Rate 1.51 N/mm
SKU M-149CS
Sugg Max Deflection 18.03 mm
Sugg Max Load 32.03 N
Wire Diameter 0.81 mm