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 6150-01-572-5456
NSN 5985-01-395-8641
NSN 7035-01-612-4535
NSN 5935-00-148-9378
NSN 2925-01-647-7225
NSN 5910-01-353-6904
NSN 5945-01-467-2242
NSN 5960-00-906-6087
NSN 4140-01-154-2216
NSN 6130-00-738-7290
NSN 5910-01-501-5099
NSN 5910-01-592-1459