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 6610-00-216-6538
NSN 5975-01-162-3215
NSN 6150-00-221-6684
NSN 5996-00-279-5806
NSN 5990-01-188-7309
NSN 5950-00-402-9086
NSN 5905-00-078-4524
NSN 6135-01-527-5494
NSN 5855-01-210-7636
NSN 5895-00-493-3114
NSN 5945-01-224-0481
NSN 5835-01-192-4165