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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

ZZ4-48CS - 1.13 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ4-48CS 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 0.038 inches, an outside diameter of 0.25 inches, and a free length of 1.13 inches. It has an initial tension of 2 Pound and a maximum deflection of 0.44 inches. The ZZ4-48CS has a spring rate of 14 lbs/inch and a maximum load of 7.7 Pound Force. It features machine hook ends and is known for its reliable performance in extension applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the ZZ4-48CS, are proudly made in the United States. We understand the importance of timely delivery and ensuring that our customers have access to the springs they need. With our reliable shipping and ample supply, Century Spring is committed to providing top-quality springs for various applications.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ4-48CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.038 in
F) Outside Diameter 0.25 in
G) Length 1.13 in
H) End Type Machine Hook
I) End Position Random
J) Rate 14 lbs/in
K) Initial Tension 2 lb
L) Sugg Max Deflection 0.44 in
L) Sugg Max Load 7.7 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ4-48CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.97 mm
F) Outside Diameter 6.35 mm
G) Length 28.7 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 2.45 N/mm
K) Initial Tension 0.91 kg
L) Sugg Max Deflection 11.18 mm
L) Sugg Max Load 34.25 N
O) Finish None