A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5905-00-492-2935
NSN 5920-01-016-1141
NSN 6110-00-263-6664
NSN 5930-01-290-8820
NSN 6320-00-937-5625
NSN 6650-01-633-9147
NSN 5835-00-111-2953
NSN 5965-00-393-1294
NSN 5945-00-979-7679
NSN 5855-00-337-3679
NSN 5945-01-516-9608
NSN 6240-00-334-6766