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 6685-01-467-4166
NSN 2925-00-242-7688
NSN 7035-01-215-7764
NSN 6650-00-132-3827
NSN 6650-01-212-3964
NSN 5855-00-079-2370
NSN 5998-01-443-8907
NSN 5999-00-306-0628
NSN 6145-01-447-2361
NSN 4140-00-170-5152
NSN 5920-01-179-9739
NSN 6135-01-339-8064