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80420CS - 1.75 Inch Music Wire Extension Springs

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

The 80420CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire material and features a sleek, unfinished appearance. With a free length of 1.75 inches and an outside diameter of 0.3 inches, this spring is designed to provide optimal performance in various applications. It has an initial tension of 2 pounds and can withstand a maximum deflection of 0.85 inches. The 80420CS has a maximum load capacity of 17 pound force and a spring rate of 18 lbs/inch. Its wire diameter measures 0.049 inches, and it is wound in a left-hand direction. This spring is equipped with full loop ends, ensuring secure attachment and reliable functionality.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that customers receive their products promptly. Additionally, our commitment to maintaining a significant stock inventory means that we have a wide range of springs readily available for immediate shipment. We are proud to manufacture our springs in the United States, ensuring top-notch quality and supporting local businesses. With Century Spring, you can count on reliable shipping, ample supply, and high-quality springs for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 1.75 in
Material Music Wire
Outside Diameter 0.3 in
Part Type Standard
Rate 18 lbs/in
SKU 80420CS
Sugg Max Deflection 0.85 in
Sugg Max Load 17 lbf
Wind Direction Left
Wire Diameter 0.049 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 44.45 mm
Material Music Wire
Outside Diameter 7.62 mm
Part Type Standard
Rate 3.15 N/mm
SKU 80420CS
Sugg Max Deflection 21.59 mm
Sugg Max Load 75.62 N
Wind Direction Left
Wire Diameter 1.24 mm