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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

ZZ3-50CS - 1.34 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ3-50CS is an extension spring manufactured by Century Spring. It features a machine hook at both ends for easy installation. This regular extension spring is made from high-quality music wire and has a zinc finish. It has a free length of 1.34 inches and an initial tension of 0.6 pounds. With a maximum deflection of 1.2 inches and a maximum load of 4.2 pounds force, this spring offers reliable performance. It has an outside diameter of 0.188 inches and a wire diameter of 0.025 inches. The spring rate is 3.1 lbs/inch. The ZZ3-50CS is designed for standard applications and is an excellent choice for various projects.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ensure that your order, including the ZZ3-50CS, reaches you as quickly as possible. With our significant stock inventory, you can be confident that we have the springs you need readily available. Additionally, we are proud to say that all our springs are made in the United States. When you choose Century Spring, you not only get high-quality products, but you also support American manufacturing.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ3-50CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.025 in
F) Outside Diameter 0.188 in
G) Length 1.34 in
H) End Type Machine Hook
I) End Position Random
J) Rate 3.1 lbs/in
K) Initial Tension 0.6 lb
L) Sugg Max Deflection 1.2 in
L) Sugg Max Load 4.2 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ3-50CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.64 mm
F) Outside Diameter 4.78 mm
G) Length 34.04 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.54 N/mm
K) Initial Tension 0.27 kg
L) Sugg Max Deflection 30.48 mm
L) Sugg Max Load 18.68 N
O) Finish Zinc