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 6220-01-212-5770
NSN 6150-00-031-8655
NSN 5910-01-492-0484
NSN 5985-01-068-5809
NSN 6650-01-568-5750
NSN 6135-01-430-3119
NSN 6110-01-626-0729
NSN 5935-01-561-7283
NSN 6135-01-278-9717
NSN 5996-00-876-9396
NSN 6145-01-479-3354
NSN 5905-01-307-2295