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 6650-00-104-3430
NSN 6110-00-009-3554
NSN 5996-01-626-7912
NSN 6610-01-400-3880
NSN 5985-00-826-1735
NSN 6620-01-209-6909
NSN 6105-01-291-7511
NSN 6110-00-683-1022
NSN 5920-01-314-6341
NSN 5920-00-059-4659
NSN 5930-01-250-3945
NSN 4140-01-102-2244