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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

S-543CS - 2.25 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-543CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a wire diameter of 0.032 inches. This spring has an outside diameter of 0.25 Inch and a free length of 2.25 inches. It has an initial tension of 0.8 Pound and a maximum load of 4.7 Pound Force. The S-543CS is a left-wound spring with machine hook ends. It has a spring rate of 2.1 lbs/inch and a maximum deflection of 1.8 inches. This extension spring is suitable for a wide range of applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We take pride in manufacturing our springs in the United States, ensuring high-quality products for our customers. With our efficient shipping process and extensive stock, Century Spring guarantees prompt delivery of the S-543CS and other springs to meet your project needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-543CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.032 in
F) Outside Diameter 0.25 in
G) Length 2.25 in
H) End Type Machine Hook
I) End Position Random
J) Rate 2.1 lbs/in
K) Initial Tension 0.8 lb
L) Sugg Max Deflection 1.8 in
L) Sugg Max Load 4.7 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-543CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.81 mm
F) Outside Diameter 6.35 mm
G) Length 57.15 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.37 N/mm
K) Initial Tension 0.36 kg
L) Sugg Max Deflection 45.72 mm
L) Sugg Max Load 20.91 N
O) Finish None