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 6645-01-025-1002
NSN 5835-01-426-6573
NSN 2925-01-471-4912
NSN 6610-01-175-9045
NSN 2925-00-491-3549
NSN 6610-01-331-2070
NSN 6240-00-735-7599
NSN 5895-01-281-3725
NSN 2925-01-484-8556
NSN 5999-01-597-3617
NSN 5965-00-693-8829
NSN 7035-01-088-6415