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 2925-00-504-2363
NSN 5920-01-534-3806
NSN 5985-00-889-0320
NSN 6620-01-259-2411
NSN 6320-01-449-1014
NSN 5915-01-565-9261
NSN 5998-01-585-6109
NSN 6150-01-327-4183
NSN 6110-01-224-2097
NSN 6110-01-523-2443
NSN 5920-00-300-1843
NSN 5999-01-195-6930