Key Features Hexagonal Flange Prevailing Torque Design with Type F locking mechanism to resist loosening under vibration and repeated load cycles in demanding agricultural and industrial equipment. Integrated flange base distributes load evenly across the mounting surface, eliminating the need for a separate washer and protecting mounting surfaces. M12 thread size with 1.75 mm thread pitch for compatibility with standard M12 bolts used on farming and construction machinery. Zinc flake coating provides enhanced corrosion resistance for long service life in harsh environments. High-strength steel construction delivers reliable torque retention and fatigue resistance in high-vibration mounting points. Genuine John Deere OEM component, ensuring proper fitment and long-term reliability in critical assemblies. Product Details Product Type: Hexagonal Flange Prevailing Torque Nut Brand: John Deere Part Number: DC19996 Thread Size: M12 Thread Pitch: 1.75 mm Flange Diameter: 27.20 mm Thickness: 13.75 mm Wrench Height: 10.37 mm Locking Type: Prevailing torque (Type F locking mechanism) Material: High-strength steel Finish: Zinc flake coating for corrosion resistance Compatibility Used across John Deere agricultural, construction, and turf equipment where secure M12 locking fasteners are required. Applicable equipment examples include: Agricultural Equipment: 6M Series tractors, 6R Series tractors, 7R Series tractors, Harvesting Equipment S-Series combines Construction Equipment: Various John Deere loaders and excavators Compatibility may vary based on machine configuration; always verify with your equipment parts catalogue before ordering.