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 5950-01-191-0113
NSN 5945-01-212-7320
NSN 4140-01-431-9065
NSN 6650-01-207-2905
NSN 6645-01-098-5077
NSN 5999-01-277-8755
NSN 5905-01-151-5112
NSN 6110-01-324-6431
NSN 5905-01-227-6380
NSN 6685-01-547-3484
NSN 6130-00-604-1180
NSN 5895-01-215-1678