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 5925-00-476-4868
NSN 2925-01-408-9362
NSN 7035-01-572-5620
NSN 5998-00-495-6970
NSN 6620-01-421-3917
NSN 5930-01-384-1330
NSN 5990-00-242-3754
NSN 5835-01-481-4204
NSN 4140-00-242-6465
NSN 6130-01-167-1503
NSN 4140-01-492-5999
NSN 5999-00-059-4883