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 5935-00-576-0198
NSN 6220-01-417-7514
NSN 6110-01-272-4742
NSN 6105-01-480-8567
NSN 6320-01-260-7390
NSN 5905-00-489-2240
NSN 5905-01-027-8077
NSN 5998-00-393-3695
NSN 5905-01-508-9022
NSN 5855-00-151-3853
NSN 6130-00-570-8451
NSN 5935-00-276-9399