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 6145-01-369-0268
NSN 5990-01-382-5364
NSN 6610-00-654-0273
NSN 5965-00-929-6173
NSN 6150-01-181-8250
NSN 5965-00-542-7124
NSN 7035-01-243-8523
NSN 6620-01-525-8115
NSN 6220-01-524-2273
NSN 5905-01-547-0054
NSN 5960-00-074-8968
NSN 5975-00-246-4906