A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6150-01-328-2651
NSN 6145-01-440-9225
NSN 5998-01-359-3393
NSN 6620-01-599-2011
NSN 5835-00-315-3797
NSN 6130-00-933-9081
NSN 5910-00-296-1054
NSN 6610-01-484-3161
NSN 5998-00-105-2914
NSN 5985-00-434-7611
NSN 5920-01-449-4075
NSN 6145-01-612-3745