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451CS - 4 Inch Music Wire Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 451CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and has a durable zinc finish. This spring has a free length of 4 inches and an outside diameter of 0.156 inches. It has an initial tension of 0.2 pounds, allowing for precise control in your applications. With a maximum deflection of 7.3 inches and a maximum load of 1.7 pound force, this spring offers reliable performance. Its wire diameter is 0.017 inches, and it has a spring rate of 0.2 inches per pound. The 451CS is designed with full loop ends, ensuring secure attachment. Trust Century Spring for top-notch springs that meet your specific needs.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we offer efficient shipping options to ensure you receive your springs promptly. With our significant stock inventory, including the 451CS, we can accommodate your demands and provide quick solutions for your projects. Furthermore, all of our springs are proudly made in the United States, guaranteeing exceptional quality and craftsmanship. Count on Century Spring for reliable springs and exceptional service.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.2 lb
Length 4 in
Material Music Wire
Outside Diameter 0.156 in
Part Type Standard
Rate 0.2 lbs/in
SKU 451CS
Sugg Max Deflection 7.3 in
Sugg Max Load 1.7 lbf
Wind Direction Left
Wire Diameter 0.017 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.09 kg
Length 101.6 mm
Material Music Wire
Outside Diameter 3.96 mm
Part Type Standard
Rate 0.04 N/mm
SKU 451CS
Sugg Max Deflection 185.42 mm
Sugg Max Load 7.56 N
Wind Direction Left
Wire Diameter 0.43 mm