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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

167 DAYS

ZZ1-37CS - 0.59 Inch Music Wire Extension Springs

Inventory:           
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
A) Brand Century Spring
B) Sku ZZ1-37CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.024 in
F) Outside Diameter 0.219 in
G) Length 0.59 in
H) End Type Full Loop
I) End Position Random
J) Rate 5.9 lbs/in
K) Initial Tension 0.3 lb
L) Sugg Max Deflection 0.5 in
L) Sugg Max Load 3.3 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-37CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.61 mm
F) Outside Diameter 5.56 mm
G) Length 14.99 mm
H) End Type Full Loop
I) End Position Random
J) Rate 1.03 N/mm
K) Initial Tension 0.14 kg
L) Sugg Max Deflection 12.7 mm
L) Sugg Max Load 14.68 N
O) Finish Zinc