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 2925-00-035-5633
NSN 6110-01-447-6229
NSN 4140-00-504-1829
NSN 5930-01-634-0659
NSN 5985-00-451-6988
NSN 5985-01-425-1429
NSN 5996-01-090-6990
NSN 6110-01-650-1278
NSN 5990-01-419-0661
NSN 6110-00-832-5769
NSN 6130-01-170-2275
NSN 4140-01-079-1146