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5631CS - 3.25 Inch Spring Steel Extension Springs

The 5631CS is a regular extension spring offered by Century Spring. It features an extended hook on both ends and is finished with zinc for added durability. This spring has a free length of 3.25 inches and an initial tension of 0.7 pounds. Made from spring steel, it has a maximum deflection of 1.8 inches and can handle a maximum load of 5.4 pounds force. With an outside diameter of 0.453 inches and a wire diameter of 0.041 inches, the 5631CS has a spring rate of 2.6 inches per pound. It is designed for standard measurement units and boasts a shipping weight of 0.0122 pounds. The 5631CS is a left-wind spring, making it suitable for various applications.

At Century Spring, we take pride in our fast shipping and substantial stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their springs promptly. With our extensive collection of springs, including the 5631CS, we can meet a wide range of needs. What's more, all of our springs are proudly made in the United States, guaranteeing their quality and reliability. When you choose Century Spring, you can trust that you're getting top-notch products and exceptional service.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.7 lb
Length 3.25 in
Material Spring Steel
Outside Diameter 0.453 in
Part Type Standard
Rate 2.6 lbs/in
SKU 5631CS
Sugg Max Deflection 1.8 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.32 kg
Length 82.55 mm
Material Spring Steel
Outside Diameter 11.51 mm
Part Type Standard
Rate 0.46 N/mm
SKU 5631CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 1.04 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.25
50 - 149 $3.09
150 - 299 $2.93
300 - 499 $2.77
500 - 749 $2.44
750 - 999 $2.12
1000+ Call for price