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5403CS - 0.44 Inch Music Wire Extension Springs

The 5403CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and is made from high-quality music wire material. This spring has a free length of 0.44 inches and a maximum deflection of 0.49 inches. With a wire diameter of 0.014 inches and an outside diameter of 0.125 inches, the 5403CS offers a spring rate of 2.4 inch-pounds. It can support a maximum load of 1.3 pound force. This standard-sized extension spring is perfect for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our reliable shipping ensures that you receive your springs promptly. Additionally, all our products, including the 5403CS, are proudly made in the United States. Rest assured that when you choose Century Spring, you are not only getting high-quality springs but also supporting American manufacturing. With our commitment to quick shipping and ample supply, we are here to meet your spring needs efficiently and effectively.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.1 lb
Length 0.44 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 2.4 lbs/in
SKU 5403CS
Sugg Max Deflection 0.49 in
Sugg Max Load 1.3 lbf
Wind Direction Left
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.05 kg
Length 11.18 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.42 N/mm
SKU 5403CS
Sugg Max Deflection 12.45 mm
Sugg Max Load 5.78 N
Wind Direction Left
Wire Diameter 0.36 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Pricing reflects the base un-configured part price. Final per piece price including configured options will be calculated once a quantity is entered in the field above.

Quantity Price
1 - 49 $4.32
50 - 149 $4.11
150 - 299 $3.89
300 - 499 $3.68
500 - 749 $3.24
750 - 999 $2.81
1000+ Call for price