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 5990-01-225-5374
NSN 5935-00-118-8409
NSN 6240-00-152-2996
NSN 5950-01-141-7019
NSN 5905-01-609-5716
NSN 5925-01-070-9651
NSN 6650-01-236-4479
NSN 5998-01-004-5518
NSN 5895-00-395-9539
NSN 6240-01-568-2495
NSN 6320-00-908-6841
NSN 5910-00-617-5009