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 6220-01-164-3651
NSN 5910-00-391-6304
NSN 5935-01-574-4134
NSN 4140-00-991-0766
NSN 5945-01-014-2859
NSN 6610-01-475-6394
NSN 5945-01-088-2496
NSN 5990-01-370-4785
NSN 5998-00-284-3804
NSN 5975-01-429-8205
NSN 7035-01-465-9156
NSN 7035-00-968-4848