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.

168 DAYS

S-633CS - 4.44 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-633CS 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 0.072 inches, an outside diameter of 0.843 inches, and a free length of 4.44 inches. It has an initial tension of 2 Pound and a maximum load of 13 Pound Force. The S-633CS is a left-wound spring with full loop ends. It has a spring rate of 1.8 lbs/inch and a maximum deflection of 6.3 inches. With its reliable performance and high-quality material, the S-633CS is an ideal choice for various extension spring applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of receiving your springs quickly, so we ensure prompt delivery. Our significant stock inventory means that you can find the springs you need without delay. We are proud to manufacture all our products in the United States, ensuring superior quality and supporting the local economy. When you choose Century Spring, you can trust that you are getting reliable products and exceptional service.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-633CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.072 in
F) Outside Diameter 0.843 in
G) Length 4.44 in
H) End Type Full Loop
I) End Position Random
J) Rate 1.8 lbs/in
K) Initial Tension 2 lb
L) Sugg Max Deflection 6.3 in
L) Sugg Max Load 13 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-633CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 1.83 mm
F) Outside Diameter 21.41 mm
G) Length 112.78 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.32 N/mm
K) Initial Tension 0.91 kg
L) Sugg Max Deflection 160.02 mm
L) Sugg Max Load 57.82 N
O) Finish None