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 5935-01-471-9098
NSN 6620-01-202-4706
NSN 5910-00-876-9322
NSN 5960-01-487-6436
NSN 6650-00-503-7229
NSN 5920-01-598-0219
NSN 6220-01-065-1386
NSN 5905-01-287-7514
NSN 6620-00-278-7313
NSN 7035-00-104-7613
NSN 6240-01-270-5998
NSN 5965-01-429-9777