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 6685-01-383-1178
NSN 5965-01-650-8399
NSN 5925-00-612-7159
NSN 6145-00-492-0639
NSN 5905-00-755-3253
NSN 5935-01-476-3345
NSN 6220-01-427-2333
NSN 6685-00-369-0279
NSN 6610-01-603-7069
NSN 6145-01-180-1597
NSN 5925-00-862-0142
NSN 6650-00-242-7961