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5640CS - 2.13 Inch Spring Steel Extension Springs

The 5640CS is a regular extension spring manufactured by Century Spring. Made from spring steel with a zinc finish, this spring has a wire diameter of 0.048 Inch and an outside diameter of 0.234 inches. Its free length measures 2.13 inches, and it has an initial tension of 6 Pound. With a maximum deflection of 0.43 Inch and a maximum load capacity of 19 Pound Force, this left-wound spring is designed for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ensure quick turnaround times for all our products, including the 5640CS. Additionally, we are proud to say that all our springs are made right here in the United States. With our commitment to quality and efficiency, Century Spring is your trusted source for springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6 lb
Length 2.13 in
Material Spring Steel
Outside Diameter 0.234 in
Part Type Standard
Rate 30 lbs/in
SKU 5640CS
Sugg Max Deflection 0.43 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 54.1 mm
Material Spring Steel
Outside Diameter 5.94 mm
Part Type Standard
Rate 5.25 N/mm
SKU 5640CS
Sugg Max Deflection 10.92 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.22 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.13
50 - 149 $2.98
150 - 299 $2.82
300 - 499 $2.67
500 - 749 $2.35
750 - 999 $2.04
1000+ Call for price