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12339CS - 2.63 Inch Spring Steel Extension Springs

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

The 12339CS 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 0.108 inches, an outside diameter of 0.703 inches, and a free length of 2.63 inches. It has an initial tension of 15 Pound and a maximum deflection of 0.81 inches. The 12339CS has a spring rate of 53 inches per pound and a maximum load of 58 Pound Force. It features machine hook ends and a left wind direction. The 12339CS is a reliable extension spring suitable for a variety of applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We are proud to manufacture all our springs in the United States. With our efficient 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 15 lb
Length 2.63 in
Material Spring Steel
Outside Diameter 0.703 in
Part Type Standard
Rate 53 lbs/in
SKU 12339CS
Sugg Max Deflection 0.81 in
Sugg Max Load 58 lbf
Wind Direction Left
Wire Diameter 0.108 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6.8 kg
Length 66.8 mm
Material Spring Steel
Outside Diameter 17.86 mm
Part Type Standard
Rate 9.28 N/mm
SKU 12339CS
Sugg Max Deflection 20.57 mm
Sugg Max Load 257.98 N
Wind Direction Left
Wire Diameter 2.74 mm