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5517CS - 1.78 Inch Music Wire Extension Springs

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

The 5517CS is an extension spring manufactured by Century Spring. It features a zinc finish and is made from high-quality music wire. With a wire diameter of 0.03 inch and an outside diameter of 0.25 inches, this spring has a free length of 1.78 inches. It has an initial tension of 0.7 pound and a maximum deflection of 2.1 inches. The 5517CS has a maximum load capacity of 5.4 pound force and a spring rate of 2.2 lbs/inch. This left-wound spring has machine hook ends and is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of quick turnaround times for our customers, which is why we make every effort to ensure that your order is processed and shipped promptly. Additionally, all our springs, including the 5517CS, are proudly made in the United States. We believe in supporting local manufacturing and delivering high-quality products to our customers. With Century Spring, you can trust that you will receive your springs efficiently and with the assurance of their American-made quality.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.7 lb
Length 1.78 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 2.2 lbs/in
SKU 5517CS
Sugg Max Deflection 2.1 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.32 kg
Length 45.21 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.39 N/mm
SKU 5517CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 0.76 mm