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5410CS - 1.28 Inch Music Wire Extension Springs

The 5410CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and has a clean, unfinished appearance. This spring has a wire diameter of 0.03 inches, an outer diameter of 0.25 inches, and a free length of 1.28 inches. It has an initial tension of 0.7 Pound, a maximum deflection of 1.3 inches, and a maximum load capacity of 5.4 Pound Force. The 5410CS features full loop ends, providing secure attachment points. This standard extension spring from Century Spring is perfect for a wide range of applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 5410CS, are proudly made in the United States. With our efficient shipping processes and ample supply, customers can rely on Century Spring to promptly deliver the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.7 lb
Length 1.28 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 3.8 lbs/in
SKU 5410CS
Sugg Max Deflection 1.3 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.32 kg
Length 32.51 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.67 N/mm
SKU 5410CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 0.76 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 $2.17
50 - 149 $2.07
150 - 299 $1.96
300 - 499 $1.85
500 - 749 $1.63
750 - 999 $1.42
1000+ Call for price