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 5999-01-361-8950
NSN 5935-01-259-3835
NSN 6240-01-582-1227
NSN 5998-00-853-3289
NSN 5975-00-200-2002
NSN 5985-01-351-3220
NSN 2925-01-400-2286
NSN 6620-01-020-4526
NSN 6110-01-113-7642
NSN 5999-00-179-0149
NSN 5935-01-290-3851
NSN 5975-00-904-3206