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M-137CS - 0.47 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The M-137CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a clean, unfinished appearance. This spring has a wire diameter of 0.017 inches, an outer diameter of 0.125 inches, and a free length of 0.47 inches. It has an initial tension of 0.3 Pound and a maximum deflection of 0.3 inches. With a maximum load capacity of 2.1 Pound Force, this extension spring is suitable for a variety of applications. Its full loop ends ensure secure attachment and reliable performance.

At Century Spring, we understand the importance of fast shipping and maintaining a substantial stock inventory. We take pride in manufacturing our springs in the United States, ensuring top-quality craftsmanship and supporting local businesses. With our efficient shipping processes and ample supply, we strive to provide our customers with the springs they need promptly. Choose Century Spring for reliable service and a wide range of high-quality springs, including the M-137CS.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.3 lb
Length 0.47 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 6.1 lbs/in
SKU M-137CS
Sugg Max Deflection 0.3 in
Sugg Max Load 2.1 lbf
Wind Direction Left
Wire Diameter 0.017 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.14 kg
Length 11.94 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 1.07 N/mm
SKU M-137CS
Sugg Max Deflection 7.62 mm
Sugg Max Load 9.34 N
Wind Direction Left
Wire Diameter 0.43 mm