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 6620-01-154-7051
NSN 5855-00-631-4565
NSN 6130-00-081-9879
NSN 5950-01-161-5858
NSN 6685-01-477-2349
NSN 5905-00-198-3702
NSN 5925-01-065-4091
NSN 5960-01-333-1828
NSN 7035-01-504-3462
NSN 6110-00-257-1446
NSN 5920-01-317-3506
NSN 6620-00-262-3113