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

ZZ1-38CS - 1 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-38CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a natural finish. This spring has a wire diameter of 0.034 inches, an outside diameter of 0.375 inches, and a free length of 1 inches. It has an initial tension of 0.4 Pound and a maximum deflection of 0.76 inches. The ZZ1-38CS has a spring rate of 4.2 lbs/inch and can handle a maximum load of 3.6 Pound Force. It features machine hooks on both ends.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand that our customers value efficiency and reliability, which is why we work hard to ensure prompt delivery of our products. In addition, all our springs, including the ZZ1-38CS, are proudly made in the United States. With our commitment to quality and availability, Century Spring is the trusted choice for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-38CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.034 in
F) Outside Diameter 0.375 in
G) Length 1 in
H) End Type Machine Hook
I) End Position Random
J) Rate 4.2 lbs/in
K) Initial Tension 0.4 lb
L) Sugg Max Deflection 0.76 in
L) Sugg Max Load 3.6 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-38CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.86 mm
F) Outside Diameter 9.53 mm
G) Length 25.4 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.74 N/mm
K) Initial Tension 0.18 kg
L) Sugg Max Deflection 19.3 mm
L) Sugg Max Load 16.01 N
O) Finish None