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 4140-01-044-8808
NSN 5950-01-141-7019
NSN 5855-01-154-3871
NSN 5950-01-160-9439
NSN 6135-01-429-9029
NSN 5895-01-063-7400
NSN 5910-01-119-1989
NSN 2925-01-437-9041
NSN 5920-01-564-7441
NSN 5945-01-563-5914
NSN 6150-01-222-2186
NSN 6610-00-355-0450