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5816CS - 6.75 Inch High Carbon Steel Extension Springs

The 5816CS is a regular extension spring manufactured by Century Spring. It is made from hard-drawn steel and features a zinc finish. This spring has a free length of 6.75 inches and an initial tension of 1 pound. With a maximum deflection of 8.3 inches and a maximum load of 8.1 pound force, the 5816CS is a reliable and durable spring for various applications. It has an outside diameter of 0.453 inches and a wire diameter of 0.047 inches. The spring rate is 0.83 inches per pound, providing the necessary flexibility and strength. The 5816CS is left-wound and has machine hook ends.

At Century Spring, we take pride in offering fast shipping and maintaining a significant stock inventory. Our products, including the 5816CS, are proudly made in the United States. With our efficient shipping process and ample supply, you can trust Century Spring to deliver the springs you need in a timely manner.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 6.75 in
Material High Carbon Steel
Outside Diameter 0.453 in
Part Type Standard
Rate 0.83 lbs/in
SKU 5816CS
Sugg Max Deflection 8.3 in
Sugg Max Load 8.1 lbf
Wind Direction Left
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 171.45 mm
Material High Carbon Steel
Outside Diameter 11.51 mm
Part Type Standard
Rate 0.15 N/mm
SKU 5816CS
Sugg Max Deflection 210.82 mm
Sugg Max Load 36.03 N
Wind Direction Left
Wire Diameter 1.19 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.44
50 - 149 $4.22
150 - 299 $4.00
300 - 499 $3.78
500 - 749 $3.33
750 - 999 $2.89
1000+ Call for price