A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6150-01-310-3491
NSN 6620-00-684-6771
NSN 5950-01-271-7367
NSN 5960-01-462-1864
NSN 5945-01-612-8839
NSN 5950-00-909-1090
NSN 6150-00-261-4889
NSN 5965-01-431-8147
NSN 6620-01-476-7355
NSN 5910-01-131-9324
NSN 6130-01-163-8834
NSN 5960-01-474-4843