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.
NSN 5998-01-375-1206
NSN 5960-01-583-4737
NSN 5895-00-001-7072
NSN 6145-01-591-7939
NSN 5960-01-614-8005
NSN 6620-01-388-8955
NSN 6320-01-456-6300
NSN 6105-01-225-0217
NSN 5855-01-119-3316
NSN 5965-01-323-0501
NSN 5930-01-316-8204
NSN 6145-00-163-2861