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 6135-01-438-9450
NSN 5930-00-422-2478
NSN 4140-01-004-2040
NSN 5930-01-477-0931
NSN 5990-01-581-5103
NSN 6130-01-049-9576
NSN 5965-00-285-0745
NSN 2925-01-261-0701
NSN 5895-00-469-3142
NSN 5910-01-005-2612
NSN 6220-00-244-3600
NSN 5950-01-265-3974