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 6610-01-373-5949
NSN 5945-01-019-8741
NSN 6145-01-567-3081
NSN 6145-01-076-3699
NSN 5945-00-609-6961
NSN 7035-01-626-6034
NSN 2925-00-055-9601
NSN 6320-00-994-0179
NSN 6105-01-277-8455
NSN 4140-01-399-0330
NSN 6135-01-246-0308
NSN 6650-01-416-0473