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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-613CS - 2.94 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-613CS is a regular extension spring manufactured by Century Spring. It is made from high-quality 302/304 stainless steel and has a durable finish. This spring has a wire diameter of 0.09 inches and an outside diameter of 0.812 inches. It has a free length of 2.94 inches and an initial tension of 5 pounds. The S-613CS has a maximum deflection of 1.8 inches and a maximum load capacity of 26 pound force. With its left wind direction and machine hook ends, this spring is ideal for various applications requiring reliable extension force.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, so we ensure that our products, including the S-613CS, are promptly shipped to our customers. Additionally, all our springs are proudly made in the United States, guaranteeing their quality and reliability. With our commitment to quick shipping and ample supply, Century Spring is your trusted source for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-613CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.09 in
F) Outside Diameter 0.812 in
G) Length 2.94 in
H) End Type Machine Hook
I) End Position Random
J) Rate 12 lbs/in
K) Initial Tension 5 lb
L) Sugg Max Deflection 1.8 in
L) Sugg Max Load 26 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-613CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 2.29 mm
F) Outside Diameter 20.62 mm
G) Length 74.68 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 2.1 N/mm
K) Initial Tension 2.27 kg
L) Sugg Max Deflection 45.72 mm
L) Sugg Max Load 115.65 N
O) Finish None