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5680CS - 4 Inch Spring Steel Extension Springs

The 5680CS 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 0.0625 inches, an outside diameter of 0.375 inches, and a free length of 4 inches. It has an initial tension of 6 Pound and a maximum deflection of 1.3 inches. The 5680CS has a spring rate of 14 inches per pound and a maximum load of 24 Pound Force. It features machine hook ends and is designed for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their springs quickly. With our significant stock, including the 5680CS, we can meet the demands of various projects and industries. Additionally, all of our springs are proudly made in the United States, guaranteeing quality and supporting local manufacturing. Trust Century Spring for reliable shipping, ample supply, and top-notch springs for your needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6 lb
Length 4 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 14 lbs/in
SKU 5680CS
Sugg Max Deflection 1.3 in
Sugg Max Load 24 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 2.45 N/mm
SKU 5680CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 106.75 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.60
50 - 149 $3.42
150 - 299 $3.24
300 - 499 $3.06
500 - 749 $2.70
750 - 999 $2.34
1000+ Call for price