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100 YRS
167 DAYS

B5-56CS - 4.03 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The B5-56CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a natural finish. This spring has a wire diameter of 0.087 inches, an outside diameter of 0.843 inches, and a free length of 4.03 inches. It has an initial tension of 4 pounds and a maximum deflection of 3.9 inches. The B5-56CS has a spring rate of 5.3 lbs/inch and a maximum load of 25 pound force. It features machine hooks on both ends and has a left wind direction. This regular extension spring is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the B5-56CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B5-56CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.087 in
F) Outside Diameter 0.843 in
G) Length 4.03 in
H) End Type Machine Hook
I) End Position Random
J) Rate 5.3 lbs/in
K) Initial Tension 4 lb
L) Sugg Max Deflection 3.9 in
L) Sugg Max Load 25 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B5-56CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 2.21 mm
F) Outside Diameter 21.41 mm
G) Length 102.36 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.93 N/mm
K) Initial Tension 1.81 kg
L) Sugg Max Deflection 99.06 mm
L) Sugg Max Load 111.2 N
O) Finish None