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80821CS - 4.50 Inch Music Wire Extension Springs

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

The 80821CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a natural finish. This spring has a wire diameter of 0.069 inches, an outer diameter of 0.65 inches, and a free length of 4.5 inches. It has an initial tension of 2 Pound and a maximum deflection of 5.7 inches. The 80821CS has a spring rate of 3.5 lbs/inch and a maximum load of 22 Pound Force. It features full loop ends, making it easy to install and secure. The 80821CS is a standard extension spring and is suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand that time is of the essence, which is why we strive to deliver your springs promptly. With our reliable shipping services, you can count on receiving your order in a timely manner. Additionally, our significant stock inventory ensures that we have the springs you need when you need them. We are proud to manufacture our springs in the United States, ensuring high-quality craftsmanship and supporting local industries. Trust Century Spring for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 4.5 in
Material Music Wire
Outside Diameter 0.65 in
Part Type Standard
Rate 3.5 lbs/in
SKU 80821CS
Sugg Max Deflection 5.7 in
Sugg Max Load 22 lbf
Wind Direction Left
Wire Diameter 0.069 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 16.51 mm
Part Type Standard
Rate 0.61 N/mm
SKU 80821CS
Sugg Max Deflection 144.78 mm
Sugg Max Load 97.86 N
Wind Direction Left
Wire Diameter 1.75 mm