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 5950-00-279-4030
NSN 5925-01-054-3783
NSN 5915-00-149-1458
NSN 6110-01-381-1269
NSN 6650-01-267-9886
NSN 6150-01-570-2043
NSN 5965-00-587-1916
NSN 6650-01-596-3297
NSN 6650-00-624-3686
NSN 6105-01-580-5072
NSN 6220-00-346-8944
NSN 5965-01-086-3126