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 5998-01-153-2689
NSN 5925-01-304-8961
NSN 5990-01-643-2002
NSN 5996-00-553-7348
NSN 6610-00-302-3344
NSN 5915-01-501-5895
NSN 6685-01-453-9327
NSN 6240-00-800-4668
NSN 4140-00-932-6074
NSN 5855-01-534-7940
NSN 6145-01-503-0487
NSN 5935-00-951-0528