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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.

191 DAYS

5686CS - 6.50 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The 5686CS is a regular extension spring by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 6.5 inches and an initial tension of 33 pounds. Made from durable spring steel, it has a maximum deflection of 1.8 inches and can withstand a maximum load of 112 pound force. With an outside diameter of 0.906 inches and a wire diameter of 0.148 inches, the 5686CS has a spring rate of 44 lbs/inch. This standard extension spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure quick processing and shipping of orders. With a wide range of springs in our inventory, including the 5686CS, we have the springs you need readily available. And to top it off, all of our springs are proudly made in the United States, guaranteeing top-notch quality and craftsmanship. Trust Century Spring for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku 5686CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.148 in
F) Outside Diameter 0.906 in
G) Length 6.5 in
H) End Type Machine Hook
I) End Position Random
J) Rate 44 lbs/in
K) Initial Tension 33 lb
L) Sugg Max Deflection 1.8 in
L) Sugg Max Load 112 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku 5686CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 3.76 mm
F) Outside Diameter 23.01 mm
G) Length 165.1 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 7.7 N/mm
K) Initial Tension 14.97 kg
L) Sugg Max Deflection 45.72 mm
L) Sugg Max Load 498.18 N
O) Finish Zinc