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 6685-00-349-7682
NSN 6105-00-114-2165
NSN 4140-00-826-9031
NSN 6145-01-393-4899
NSN 5920-01-187-8391
NSN 4140-00-848-3218
NSN 6240-01-104-5085
NSN 5910-00-459-9406
NSN 6220-00-528-7752
NSN 5905-01-412-4928
NSN 5965-01-399-8454
NSN 5985-00-553-9735