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 6150-00-021-2345
NSN 5935-01-619-5454
NSN 5945-01-410-8181
NSN 6620-01-431-9176
NSN 5999-01-068-3639
NSN 5996-00-703-1004
NSN 6145-00-427-7201
NSN 5915-00-192-3109
NSN 5996-01-381-6564
NSN 6150-00-927-3779
NSN 5920-01-574-9636
NSN 6685-01-438-6013