Cat® 3J-6899 is a nylon-insert lock nut sized for 2-1/4 inches in diameter with 12 threads per inch (2-1/4-12), designed for steering cylinder assemblies on Caterpillar equipment. This locknut uses a nylon insert to resist vibration, helping maintain precise steering control in hydraulic cylinder applications. It is a Cat® component intended specifically for Cat steering cylinders, providing secure engagement in demanding operator environments.
