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 5930-01-465-1894
NSN 5999-01-547-4392
NSN 5910-00-133-2952
NSN 5945-00-146-5021
NSN 7035-00-329-4015
NSN 5965-01-185-0295
NSN 6145-01-268-2729
NSN 5935-01-521-3481
NSN 5910-01-013-8957
NSN 5935-01-161-2029
NSN 6130-01-513-8303
NSN 6645-00-674-1594