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 7035-01-089-4485
NSN 5895-01-157-8201
NSN 4140-01-034-7819
NSN 5905-01-447-2806
NSN 6220-01-386-3082
NSN 5996-01-461-8897
NSN 6130-01-407-8729
NSN 5925-00-988-8847
NSN 6150-01-547-1902
NSN 5985-01-496-8167
NSN 5950-00-777-2056
NSN 5965-00-463-3929