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 6685-01-027-7061
NSN 5950-01-615-4055
NSN 5905-00-529-0508
NSN 5996-00-179-9583
NSN 6150-01-504-4734
NSN 6320-00-809-5744
NSN 6135-00-546-6273
NSN 5975-00-493-3614
NSN 6130-00-930-3158
NSN 5920-01-645-8052
NSN 6110-01-327-3282
NSN 5975-01-083-2122