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 6685-01-607-7300
NSN 5905-01-363-8156
NSN 5905-01-356-4098
NSN 5990-00-327-4006
NSN 6240-01-004-9634
NSN 5975-00-148-6972
NSN 6150-01-412-6745
NSN 5990-01-386-5561
NSN 5998-01-487-3540
NSN 5835-01-477-0137
NSN 5935-00-997-6879
NSN 5910-01-340-7527