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 5935-00-403-8875
NSN 6145-00-822-5524
NSN 6105-01-431-4409
NSN 4140-01-250-7159
NSN 6645-01-076-4655
NSN 6610-01-010-3159
NSN 5945-00-467-7958
NSN 5965-01-424-0542
NSN 5950-00-133-5287
NSN 6145-01-273-0840
NSN 6240-01-119-5978
NSN 5835-01-178-4154