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.
NSN 5990-01-609-4793
NSN 5935-00-421-3245
NSN 5999-01-162-0226
NSN 5835-01-476-5584
NSN 6610-00-195-7517
NSN 6610-01-059-5271
NSN 5960-01-312-1262
NSN 5905-01-422-2597
NSN 4140-01-266-4519
NSN 5855-01-438-4588
NSN 6130-01-486-6238
NSN 4140-01-222-2140