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 6220-00-447-9656
NSN 5905-00-198-4579
NSN 5910-01-281-7666
NSN 5996-00-829-0661
NSN 5996-01-393-4690
NSN 6240-00-681-2795
NSN 6145-00-943-0729
NSN 6110-00-900-6410
NSN 5975-00-652-8900
NSN 5960-01-395-1164
NSN 7035-01-074-7634
NSN 5930-01-521-4163