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.
Classification: Nuts of iron or steel
NSN 5935-01-489-6183
NSN 6645-00-486-8649
NSN 5960-01-010-3083
NSN 5935-01-277-0767
NSN 5925-00-377-0263
NSN 6105-00-382-6502
NSN 6320-00-857-4073
NSN 4140-01-634-0330
NSN 5960-01-543-0235
NSN 5950-01-308-2778
NSN 6650-00-146-3282
NSN 6130-01-467-4283