This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

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

ZZ1-33CS - 0.84 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-33CS is a regular extension spring manufactured by Century Spring. It is made of spring steel with a zinc finish, ensuring durability and corrosion resistance. This spring has a wire diameter of 0.033 inch and an outside diameter of 0.375 inches, providing the necessary strength and flexibility. With a free length of 0.84 inch and an initial tension of 0.4 pound, the ZZ1-33CS can effectively extend and retract under load. It has a maximum deflection of 0.73 inch and a maximum load capacity of 3.5 pound force, making it suitable for various applications. The ZZ1-33CS features full loop ends, securely holding the spring in place. Century Spring's expertise in spring manufacturing guarantees a high-quality product that meets your needs.

Century Spring takes pride in its fast shipping and extensive stock inventory. We understand the importance of timely delivery and maintaining a wide range of springs in various sizes and specifications. Our commitment to providing top-quality products extends to our manufacturing process, as all our springs, including the ZZ1-33CS, are proudly made in the United States. With Century Spring, you can trust that your order will be promptly shipped and that we have the springs you need readily available.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-33CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.033 in
F) Outside Diameter 0.375 in
G) Length 0.84 in
H) End Type Full Loop
I) End Position Random
J) Rate 4.3 lbs/in
K) Initial Tension 0.4 lb
L) Sugg Max Deflection 0.73 in
L) Sugg Max Load 3.5 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-33CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.84 mm
F) Outside Diameter 9.53 mm
G) Length 21.34 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.75 N/mm
K) Initial Tension 0.18 kg
L) Sugg Max Deflection 18.54 mm
L) Sugg Max Load 15.57 N
O) Finish Zinc