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 5998-00-482-7805
NSN 4140-01-258-4046
NSN 6145-01-462-5930
NSN 5975-01-074-6890
NSN 6220-01-201-4117
NSN 5930-01-092-1834
NSN 7035-00-535-8109
NSN 2925-00-925-0545
NSN 6150-01-198-2778
NSN 5960-01-375-6815
NSN 6130-01-578-7338
NSN 2925-01-076-5219