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 2925-01-618-2711
NSN 6320-01-261-5983
NSN 5925-00-464-4675
NSN 7035-00-946-2642
NSN 6610-00-083-3870
NSN 4140-00-733-7936
NSN 5910-00-201-0570
NSN 5915-01-476-0817
NSN 5998-00-307-1043
NSN 7035-01-350-0824
NSN 5910-01-235-9483
NSN 5990-01-507-7495