A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6240-00-244-0483
NSN 5960-00-850-9623
NSN 5855-00-145-3307
NSN 5920-01-208-7707
NSN 6650-00-379-5434
NSN 5855-00-928-1912
NSN 5935-00-147-2983
NSN 6320-01-106-4414
NSN 6610-01-594-3936
NSN 6220-01-445-6575
NSN 5935-01-631-8325
NSN 5965-01-543-4934