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5343CS - 1.25 Inch Music Wire Extension Springs

The 5343CS is a regular extension spring manufactured by Century Spring. It features a black oxide finish and is made from high-quality music wire. With a free length of 1.25 inches and an outside diameter of 0.25 inches, this spring is designed to provide optimal performance. It has an initial tension of 0.8 pounds and a maximum deflection of 1.2 inches. The 5343CS has a maximum load capacity of 6 pounds and a spring rate of 4.5 inch-pounds. Its wire diameter is 0.031 inches, and it is wound in a left direction. This extension spring is equipped with machine hook ends, ensuring secure attachment.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. As a leading manufacturer in the United States, we prioritize delivering high-quality products promptly to our valued customers. Whether you need springs for industrial, automotive, or other applications, you can rely on Century Spring for reliable shipping and a wide selection of springs, including the 5343CS.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Black Oxide
Initial Tension 0.8 lb
Length 1.25 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 4.5 lbs/in
SKU 5343CS
Sugg Max Deflection 1.2 in
Sugg Max Load 6 lbf
Wind Direction Left
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Black Oxide
Initial Tension 0.36 kg
Length 31.75 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.79 N/mm
SKU 5343CS
Sugg Max Deflection 30.48 mm
Sugg Max Load 26.69 N
Wind Direction Left
Wire Diameter 0.79 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.77
50 - 149 $1.69
150 - 299 $1.60
300 - 499 $1.51
500 - 749 $1.33
750 - 999 $1.16
1000+ Call for price