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 5990-01-458-6411
NSN 5935-01-444-8908
NSN 2925-00-782-1498
NSN 5985-00-944-7987
NSN 6240-01-577-4740
NSN 5855-01-369-4192
NSN 5905-00-170-5571
NSN 6130-01-025-6770
NSN 5910-01-541-5950
NSN 6145-01-409-1685
NSN 5835-01-200-7153
NSN 5855-01-428-9456