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5263CS - 1 Inch Music Wire Extension Springs

The 5263CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and features a durable zinc finish. This spring has a free length of 1 inch and an outside diameter of 0.219 inches. It is designed with a wire diameter of 0.03 inches and has a spring rate of 8.3 inches per pound. With an initial tension of 0.9 pound, it can withstand a maximum load of 6.3 pound force. The 5263CS is a left-wound spring with side hook ends. It is suitable for various applications that require reliable extension and tension capabilities.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for your projects, and our efficient shipping process ensures that you receive your springs promptly. With our significant stock inventory, including the 5263CS, you can trust that we have the springs you need readily available. Additionally, all our springs are proudly made in the United States, ensuring top-notch quality and supporting local manufacturing. Choose Century Spring for your spring needs and experience reliable shipping, ample supply, and superior American craftsmanship.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 0.9 lb
Length 1 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 8.3 lbs/in
SKU 5263CS
Sugg Max Deflection 0.65 in
Sugg Max Load 6.3 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 0.41 kg
Length 25.4 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 1.45 N/mm
SKU 5263CS
Sugg Max Deflection 16.51 mm
Sugg Max Load 28.02 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
Quantity Price
1 - 49 $1.80
50 - 149 $1.71
150 - 299 $1.62
300 - 499 $1.53
500 - 749 $1.35
750 - 999 $1.17
1000+ Call for price