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 5925-00-350-4589
NSN 2925-01-399-2765
NSN 6240-01-449-2883
NSN 6130-01-146-2141
NSN 5975-00-319-4094
NSN 5835-01-055-6859
NSN 6650-01-115-2766
NSN 5996-01-227-3005
NSN 5855-00-944-0949
NSN 5895-01-132-8365
NSN 5990-00-428-1895
NSN 6620-00-997-6791