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 5935-00-035-4559
NSN 6685-01-603-2199
NSN 6105-01-023-8441
NSN 5945-01-415-1796
NSN 6645-01-549-0935
NSN 6645-01-449-1630
NSN 6240-01-543-9591
NSN 5945-00-845-4392
NSN 5925-00-425-6228
NSN 5975-01-652-6032
NSN 5835-00-949-3018
NSN 5960-01-448-3497