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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.

200 DAYS

S-582CS - 3.50 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-582CS is a regular extension spring manufactured by Century Spring. It features a left wind direction and is made from 302/304 stainless steel, ensuring durability and resistance to corrosion. With a wire diameter of 0.072 inches and an outside diameter of 0.5 inches, this spring has a free length of 3.5 inches. It has an initial tension of 0.4 pounds and a maximum deflection of 1.6 inches. The S-582CS has a spring rate of 11 lbs/inch and can withstand a maximum load of 23 pounds force. Its ends are equipped with machine hooks for easy installation.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of prompt delivery, and our efficient shipping system ensures that customers can receive their springs quickly. Additionally, all our products, including the S-582CS, are made in the United States. We prioritize quality and craftsmanship, and our commitment to manufacturing in the USA ensures that our customers receive top-notch springs for their projects. With Century Spring, you can rely on our fast shipping and US-made products to meet your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-582CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.072 in
F) Outside Diameter 0.5 in
G) Length 3.5 in
H) End Type Machine Hook
I) End Position Random
J) Rate 11 lbs/in
K) Initial Tension 0.4 lb
L) Sugg Max Deflection 1.6 in
L) Sugg Max Load 23 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-582CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 1.83 mm
F) Outside Diameter 12.7 mm
G) Length 88.9 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 1.93 N/mm
K) Initial Tension 0.18 kg
L) Sugg Max Deflection 40.64 mm
L) Sugg Max Load 102.3 N
O) Finish None