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490CS - 1.94 Inch Music Wire Extension Springs

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

The 490CS is a regular extension spring manufactured by Century Spring. It features a machine hook on each end and a zinc finish. With a free length of 1.94 inches and an initial tension of 2 pounds, this spring is made of high-quality music wire. It has a maximum deflection of 0.54 inches and can withstand a maximum load of 7.6 pound force. The 490CS has an outside diameter of 0.125 inches and a wire diameter of 0.026 inches. Its spring rate is 11 inches per pound, making it suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and ensuring that our customers have access to the springs they need. As a US-based manufacturer, we prioritize quality and craftsmanship in all our products, including the 490CS. With Century Spring, you can rely on our efficient shipping and reliable supply to meet your spring requirements.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2 lb
Length 1.94 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 11 lbs/in
SKU 490CS
Sugg Max Deflection 0.54 in
Sugg Max Load 7.6 lbf
Wind Direction Left
Wire Diameter 0.026 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.91 kg
Length 49.28 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 1.93 N/mm
SKU 490CS
Sugg Max Deflection 13.72 mm
Sugg Max Load 33.8 N
Wind Direction Left
Wire Diameter 0.66 mm