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5673CS - 3.94 Inch Spring Steel Extension Springs

The 5673CS is a regular extension spring manufactured by Century Spring. It features a zinc finish and is made from spring steel. This spring has a free length of 3.94 inches and a maximum deflection of 4.1 inches. With an initial tension of 1 pound, it can handle a maximum load of 8.4 pound force. The outside diameter of the 5673CS is 0.437 inches, and it has a wire diameter of 0.047 inches. It has a spring rate of 1.8 inches per pound. This extension spring is equipped with machine hook ends and has a left wind direction.

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. Additionally, all our products, including the 5673CS, are proudly made in the United States. We prioritize quality and reliability, so you can trust that our springs are built to perform. With our efficient shipping and abundant supply, Century Spring is your go-to source for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 3.94 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 1.8 lbs/in
SKU 5673CS
Sugg Max Deflection 4.1 in
Sugg Max Load 8.4 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 100.08 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.32 N/mm
SKU 5673CS
Sugg Max Deflection 104.14 mm
Sugg Max Load 37.36 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 $3.48
50 - 149 $3.31
150 - 299 $3.14
300 - 499 $2.96
500 - 749 $2.61
750 - 999 $2.27
1000+ Call for price