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 5950-01-629-7170
NSN 6685-01-411-6579
NSN 5905-00-331-1425
NSN 4140-01-454-0578
NSN 5910-01-068-4198
NSN 5975-01-236-0797
NSN 5945-01-555-0277
NSN 5905-00-657-2741
NSN 5895-00-278-8092
NSN 5998-01-564-7539
NSN 7035-00-153-3826
NSN 5925-00-164-2965