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 6620-01-632-2154
NSN 5910-00-263-3630
NSN 5998-01-506-1283
NSN 5920-00-471-9049
NSN 5915-01-565-1807
NSN 5960-00-584-4553
NSN 6610-01-609-7776
NSN 5910-00-823-1623
NSN 5998-01-090-0433
NSN 5950-00-154-7017
NSN 6110-01-098-5739
NSN 6320-01-536-3077