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 6610-01-051-6275
NSN 5975-00-389-6958
NSN 6240-01-441-3606
NSN 6610-01-364-0294
NSN
NSN 6135-01-471-7325
NSN 6240-00-972-0904
NSN 5996-01-311-1167
NSN 5965-01-578-4325
NSN 6240-00-388-6479
NSN 6145-01-171-8160
NSN 5945-01-568-2991