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5520CS - 3.38 Inch High Carbon Steel Extension Springs

The 5520CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.091 inches, an outer diameter of 0.875 inches, and a free length of 3.38 inches. It has an initial tension of 4 Pound and a maximum deflection of 2.2 inches. The 5520CS has a spring rate of 9.7 inches per pound and a maximum load of 26 Pound Force. It is equipped with machine hooks on both ends. The 5520CS is a reliable extension spring suitable for various applications.

Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. We understand the importance of timely delivery, which is why we prioritize efficient shipping methods. Our extensive inventory ensures that our customers can find the springs they need without delay. Additionally, all our springs, including the 5520CS, are proudly made in the United States. We prioritize quality and craftsmanship in our manufacturing process to provide our customers with the highest standard of springs. With Century Spring, you can trust that you'll receive top-quality springs quickly and conveniently.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4 lb
Length 3.38 in
Material High Carbon Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 9.7 lbs/in
SKU 5520CS
Sugg Max Deflection 2.2 in
Sugg Max Load 26 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.81 kg
Length 85.85 mm
Material High Carbon Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 1.7 N/mm
SKU 5520CS
Sugg Max Deflection 55.88 mm
Sugg Max Load 115.65 N
Wind Direction Left
Wire Diameter 2.31 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.96
50 - 149 $3.77
150 - 299 $3.57
300 - 499 $3.37
500 - 749 $2.97
750 - 999 $2.58
1000+ Call for price