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80903CS - 4.50 Inch Music Wire Extension Springs

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

The 80903CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a natural finish. This spring has a wire diameter of 0.105 inches, an outer diameter of 0.75 inches, and a free length of 4.5 inches. It has an initial tension of 5 pounds and a maximum deflection of 2.6 inches. The 80903CS has a spring rate of 21 inch-pounds and a maximum load capacity of 60 pounds. It features full loop ends, providing secure and reliable attachment points. This regular extension spring is suitable 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, which is why we strive to ship our products as quickly as possible. With our significant stock of springs, including the 80903CS, you can trust that we have the inventory to meet your needs. Additionally, we are proud to say that all our springs are made right here in the United States. When you choose Century Spring, you can be confident in the quality and reliability of our products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 5 lb
Length 4.5 in
Material Music Wire
Outside Diameter 0.75 in
Part Type Standard
Rate 21 lbs/in
SKU 80903CS
Sugg Max Deflection 2.6 in
Sugg Max Load 60 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2.27 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 19.05 mm
Part Type Standard
Rate 3.68 N/mm
SKU 80903CS
Sugg Max Deflection 66.04 mm
Sugg Max Load 266.88 N
Wind Direction Left
Wire Diameter 2.67 mm