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5240CS - 1.75 Inch Spring Steel Extension Springs

The 5240CS 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 0.064 inches, an outside diameter of 0.375 inches, and a free length of 1.75 inches. It has an initial tension of 7 Pound and a maximum deflection of 0.44 inches. The 5240CS has a spring rate of 42 inches per pound and can handle a maximum load of 25 Pound Force. It features machine hooks on both ends. This regular extension spring is suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the 5240CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that customers can receive the springs they need promptly. Whether you have a small DIY project or a large-scale industrial application, Century Spring has you covered with our reliable service and quality products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 7 lb
Length 1.75 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 42 lbs/in
SKU 5240CS
Sugg Max Deflection 0.44 in
Sugg Max Load 25 lbf
Wind Direction Left
Wire Diameter 0.064 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3.17 kg
Length 44.45 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 7.35 N/mm
SKU 5240CS
Sugg Max Deflection 11.18 mm
Sugg Max Load 111.2 N
Wind Direction Left
Wire Diameter 1.63 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.70
50 - 149 $3.52
150 - 299 $3.33
300 - 499 $3.15
500 - 749 $2.78
750 - 999 $2.41
1000+ Call for price