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473CS - 1.66 Inch Spring Steel Extension Springs

The 473CS is a regular extension spring by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.064 inches, an outside diameter of 0.5 inches, and a free length of 1.66 inches. It has an initial tension of 3 Pound and a maximum deflection of 0.81 inches. The 473CS has a spring rate of 18 inches per pound and a maximum load of 18 Pound Force. It features machine hook ends and is suitable for various extension applications.

At Century Spring, we understand the importance of fast shipping and keeping a significant stock inventory. Our products, including the 473CS, are proudly made in the United States. With our efficient shipping processes and ample supply, we ensure that our customers can quickly receive the 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 3 lb
Length 1.66 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 18 lbs/in
SKU 473CS
Sugg Max Deflection 0.81 in
Sugg Max Load 18 lbf
Wind Direction Left
Wire Diameter 0.064 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 42.16 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 3.15 N/mm
SKU 473CS
Sugg Max Deflection 20.57 mm
Sugg Max Load 80.06 N
Wind Direction Left
Wire Diameter 1.63 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.70
50 - 149 $2.57
150 - 299 $2.43
300 - 499 $2.30
500 - 749 $2.03
750 - 999 $1.76
1000+ Call for price