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 5990-01-457-8795
NSN 5905-01-212-7239
NSN 5920-01-050-0471
NSN 5910-01-037-4212
NSN 5985-01-444-1552
NSN 5930-00-580-3085
NSN 6220-00-147-0035
NSN 5895-01-480-2303
NSN 5910-00-579-7752
NSN 6105-01-502-7014
NSN 6685-00-647-3883
NSN 5910-00-526-0694