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 6650-01-654-8017
NSN 5920-01-391-7624
NSN 5945-00-192-7187
NSN 6645-01-281-7254
NSN 6150-01-582-6470
NSN 5935-01-613-4564
NSN 6110-01-400-4207
NSN 4140-01-531-6124
NSN 6650-01-561-4399
NSN 5999-01-316-6276
NSN 5960-01-241-0105
NSN 5950-00-244-1567