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 5985-01-429-8844
NSN 6135-01-528-6896
NSN 6610-01-551-0774
NSN 5998-01-362-8842
NSN 6105-00-877-0337
NSN 6610-01-436-5236
NSN 7035-01-062-6089
NSN 5960-01-449-1310
NSN 2925-00-682-5028
NSN 5950-01-304-5276
NSN 6620-01-412-0938
NSN 6110-01-010-4551