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5309CS - 1.50 Inch Spring Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 5309CS 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 0.041 inches, an outer diameter of 0.437 inches, and a free length of 1.5 inches. It has an initial tension of 0.7 Pound and a maximum deflection of 1.7 inches. The 5309CS has a spring rate of 2.8 inches per pound and a maximum load of 5.5 Pound Force. It features machine hook ends and is suitable for various extension spring applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5309CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.7 lb
Length 1.5 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 2.8 lbs/in
SKU 5309CS
Sugg Max Deflection 1.7 in
Sugg Max Load 5.5 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.32 kg
Length 38.1 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.49 N/mm
SKU 5309CS
Sugg Max Deflection 43.18 mm
Sugg Max Load 24.46 N
Wind Direction Left
Wire Diameter 1.04 mm