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5553CS - 3.63 Inch Spring Steel Extension Springs

The 5553CS 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 0.034 inches, an outside diameter of 0.375 inches, and a free length of 3.63 inches. It has an initial tension of 0.5 Pound and a maximum load of 3.9 Pound Force. The 5553CS features extended hook ends and a left wind direction. It is a standard extension spring suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We take pride in manufacturing our products, including the 5553CS, in the United States. With our efficient shipping process and ample supply, Century Spring ensures that 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 Extended Hook
Finish Zinc
Initial Tension 0.5 lb
Length 3.63 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 0.76 lbs/in
SKU 5553CS
Sugg Max Deflection 4.5 in
Sugg Max Load 3.9 lbf
Wind Direction Left
Wire Diameter 0.034 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.23 kg
Length 92.2 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.13 N/mm
SKU 5553CS
Sugg Max Deflection 114.3 mm
Sugg Max Load 17.35 N
Wind Direction Left
Wire Diameter 0.86 mm
Inventory Status
Low Stock
Quantity Price
1 - 49 $3.22
50 - 149 $3.06
150 - 299 $2.90
300 - 499 $2.74
500 - 749 $2.42
750 - 999 $2.10
1000+ Call for price