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 6130-01-422-4258
NSN 6650-01-454-2187
NSN 6145-01-303-5718
NSN 5920-01-504-2119
NSN 2925-01-508-4138
NSN 5910-00-755-9748
NSN 6150-01-386-6374
NSN 5985-00-819-7344
NSN 2925-01-251-9529
NSN 6150-01-497-1871
NSN 5945-01-648-2231
NSN 5910-01-483-3738