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 5990-01-116-2181
NSN 6610-01-055-4147
NSN 6150-01-602-6119
NSN 5960-00-078-9500
NSN 6145-01-382-6025
NSN 5920-01-415-6546
NSN 6105-00-974-6675
NSN 5990-01-493-4039
NSN 6220-01-245-0310
NSN 6685-01-097-9062
NSN 6105-01-164-4869
NSN 5910-01-014-6265