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 5835-01-416-6455
NSN 6610-01-211-8956
NSN 4140-01-187-1819
NSN 6150-01-026-0913
NSN 5999-00-258-3053
NSN 5920-01-256-0287
NSN 5996-00-220-2678
NSN 5925-01-521-3654
NSN 6240-01-045-9269
NSN 6320-00-456-0836
NSN 5905-01-575-9084
NSN 6685-01-518-3598