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 6145-00-402-5650
NSN 5945-00-971-1709
NSN 4140-00-279-3148
NSN 6610-01-392-9620
NSN 5905-01-492-3968
NSN 7035-01-395-0757
NSN 5925-01-444-3880
NSN 5895-01-224-6974
NSN 6110-00-218-4737
NSN 6150-01-154-6673
NSN 6150-01-386-3071
NSN 5925-00-081-9135