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5630CS - 3.75 Inch Spring Steel Extension Springs

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

The 5630CS 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 0.105 inches, an outside diameter of 0.75 inches, and a free length of 3.75 inches. It has an initial tension of 11 Pound and a maximum deflection of 1.4 inches. The 5630CS has a spring rate of 28 lbs/inch and a maximum load of 50 Pound Force. It features side hooks for easy installation. The 5630CS is a reliable extension spring suitable for a variety of applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We take pride in manufacturing our products, including the 5630CS, 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 Side Hook
Finish Zinc
Initial Tension 11 lb
Length 3.75 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 28 lbs/in
SKU 5630CS
Sugg Max Deflection 1.4 in
Sugg Max Load 50 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 4.99 kg
Length 95.25 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 4.9 N/mm
SKU 5630CS
Sugg Max Deflection 35.56 mm
Sugg Max Load 222.4 N
Wind Direction Left
Wire Diameter 2.67 mm