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12398CS - 2.59 Inch Spring Steel Extension Springs

The 12398CS 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 0.105 inches, an outside diameter of 0.75 inches, and a free length of 2.59 inches. It has an initial tension of 11 Pound and a maximum deflection of 1 inches. The 12398CS has a spring rate of 38 inches per pound and a maximum load of 50 Pound Force. It features machine hooks on both ends. The 12398CS is a reliable and durable extension spring suitable for a variety of applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We are proud to manufacture 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 11 lb
Length 2.59 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 38 lbs/in
SKU 12398CS
Sugg Max Deflection 1 in
Sugg Max Load 50 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4.99 kg
Length 65.79 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 6.65 N/mm
SKU 12398CS
Sugg Max Deflection 25.4 mm
Sugg Max Load 222.4 N
Wind Direction Left
Wire Diameter 2.67 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.88
50 - 149 $3.69
150 - 299 $3.50
300 - 499 $3.30
500 - 749 $2.91
750 - 999 $2.53
1000+ Call for price