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 5835-01-106-0199
NSN 4140-01-519-3349
NSN 5895-01-071-4854
NSN 6110-01-497-5827
NSN 5905-01-047-5661
NSN 5965-01-463-2815
NSN 5950-00-821-0700
NSN 5975-00-955-0131
NSN 6240-01-561-7213
NSN 6110-01-614-4663
NSN 5910-01-461-1514
NSN 6130-01-044-5436