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ZZ1-37CS - 0.59 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ1-37CS is a regular extension spring manufactured by Century Spring. It features a full loop design and is finished with zinc for added durability. This spring has a free length of 0.59 inch and an initial tension of 0.3 pound. Made from high-quality music wire, it can withstand a maximum deflection of 0.5 inch and has a maximum load capacity of 3.3 pound force. With an outside diameter of 0.219 inch and a wire diameter of 0.024 inches, this spring has a rate of 5.9 lbs/inch. Our springs are shipped in a lightweight package weighing just 0.0011 pound and are available for fast delivery. At Century Spring, we take pride in our extensive stock inventory and the fact that all our products are made in the United States.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.3 lb
Length 0.59 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 5.9 lbs/in
SKU ZZ1-37CS
Sugg Max Deflection 0.5 in
Sugg Max Load 3.3 lbf
Wind Direction Left
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.14 kg
Length 14.99 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 1.03 N/mm
SKU ZZ1-37CS
Sugg Max Deflection 12.7 mm
Sugg Max Load 14.68 N
Wind Direction Left
Wire Diameter 0.61 mm