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 5985-01-584-2859
NSN 6145-01-145-5177
NSN 5910-00-398-0775
NSN 5965-01-570-2804
NSN 6610-01-011-5942
NSN 5990-01-086-4825
NSN 6145-01-012-2557
NSN 6150-00-960-4987
NSN 5925-01-512-9060
NSN 5910-01-133-7208
NSN 7035-01-158-7673
NSN 5985-01-200-6830