Dyed brown
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6150-00-342-9765
NSN 5895-01-509-1530
NSN 5920-00-267-3109
NSN 5990-01-141-3562
NSN 6150-01-567-1435
NSN 5950-01-226-6019
NSN 6110-00-383-5367
NSN 5935-00-821-7413
NSN 5925-01-598-3177
NSN 5855-01-372-1622
NSN 5985-00-951-3698
NSN 5999-01-577-1496