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B1-54CS - 2.13 Inch Spring Steel Extension Springs

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Estimated Lead Time

The B1-54CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and features a durable gold iridite finish. This spring has a wire diameter of 0.034 inch and an outside diameter of 0.25 inches. With a free length of 2.13 inches, it offers an initial tension of 1 pound. The B1-54CS has a maximum deflection of 1.4 inches and a maximum load capacity of 6 pound force. Its spring rate is 3.5 lbs/inch, making it suitable for a variety of applications. The B1-54CS is a left-wind spring, and it has full loop ends.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the B1-54CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Gold Iridite
Initial Tension 1 lb
Length 2.13 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 3.5 lbs/in
SKU B1-54CS
Sugg Max Deflection 1.4 in
Sugg Max Load 6 lbf
Wire Diameter 0.034 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Gold Iridite
Initial Tension 0.45 kg
Length 54.1 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.61 N/mm
SKU B1-54CS
Sugg Max Deflection 35.56 mm
Sugg Max Load 26.69 N
Wire Diameter 0.86 mm