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 7035-00-020-2227
NSN 5935-01-065-1211
NSN 5895-01-599-9870
NSN 6650-01-543-7045
NSN 6145-01-107-3275
NSN 5910-01-487-4365
NSN 4140-01-155-5620
NSN 5965-01-050-1020
NSN 5895-01-217-9297
NSN 5990-00-923-4316
NSN 6110-00-133-2429
NSN 5990-01-071-1505