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 6130-00-984-6252
NSN 5975-00-612-7594
NSN 5998-00-232-9544
NSN 6220-00-104-5365
NSN 5925-01-100-0970
NSN 6610-01-390-6925
NSN 5910-01-339-6754
NSN 6150-01-027-0798
NSN 5985-00-882-6496
NSN 6610-01-131-5714
NSN 5960-00-511-8199
NSN 5855-01-486-9924