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5170CS - 2.50 Inch Spring Steel Extension Springs

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

The 5170CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.035 inches, an outer diameter of 0.281 inches, and a free length of 2.5 inches. It has an initial tension of 1 Pound and a maximum deflection of 1.6 inches. The 5170CS has a spring rate of 2.9 lbs/inch and a maximum load of 5.5 Pound Force. It features machine hook ends and a left wind direction. The 5170CS is a reliable extension spring suitable for various applications.

At Century Spring, we pride ourselves on offering fast shipping and maintaining a significant stock inventory. Our products, including the 5170CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the high-quality springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 2.5 in
Material Spring Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 2.9 lbs/in
SKU 5170CS
Sugg Max Deflection 1.6 in
Sugg Max Load 5.5 lbf
Wind Direction Left
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 63.5 mm
Material Spring Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 0.51 N/mm
SKU 5170CS
Sugg Max Deflection 40.64 mm
Sugg Max Load 24.46 N
Wind Direction Left
Wire Diameter 0.89 mm