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 6620-00-144-4838
NSN 5935-01-366-1985
NSN 5945-01-560-1059
NSN 5925-01-634-0664
NSN 5960-01-222-4199
NSN 6220-01-312-5509
NSN 6130-00-855-0521
NSN 6150-01-546-9928
NSN 5950-00-278-1201
NSN 5910-01-461-3409
NSN 6220-00-272-7497
NSN 6145-01-607-4059