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M-39CS - 1.09 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The M-39CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a durable zinc finish. This spring has a wire diameter of 0.025 inch and an outside diameter of 0.156 inches. It has a free length of 1.09 inches and an initial tension of 0.9 pounds. The M-39CS has a maximum deflection of 0.6 inch and can handle a maximum load of 5.1 pounds. With a spring rate of 7 lbs/inch, it provides reliable extension and retraction capabilities. This left-wound spring features machine hook ends, making it easy to install and secure in place. The M-39CS is a versatile extension spring suitable for a wide range of applications.

Century Spring takes pride in our fast shipping and extensive stock inventory. We understand the importance of prompt delivery and ensuring that our customers have access to the springs they need when they need them. All of our products, including the M-39CS, are proudly made in the United States. We prioritize quality and reliability in our manufacturing process, ensuring that our customers receive top-notch springs for their projects. With Century Spring, you can trust that you'll receive exceptional products and excellent service.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.9 lb
Length 1.09 in
Material Music Wire
Outside Diameter 0.156 in
Part Type Standard
Rate 7 lbs/in
SKU M-39CS
Sugg Max Deflection 0.6 in
Sugg Max Load 5.1 lbf
Wind Direction Left
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.41 kg
Length 27.69 mm
Material Music Wire
Outside Diameter 3.96 mm
Part Type Standard
Rate 1.23 N/mm
SKU M-39CS
Sugg Max Deflection 15.24 mm
Sugg Max Load 22.68 N
Wind Direction Left
Wire Diameter 0.64 mm