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 4140-01-141-7692
NSN 6320-01-643-0850
NSN 7035-00-763-6180
NSN 2925-01-069-5324
NSN 6105-00-178-0094
NSN 5998-00-800-6769
NSN 6130-00-134-3674
NSN 5930-01-239-0851
NSN 5935-00-839-4300
NSN 6110-01-512-6687
NSN 5920-01-299-1318
NSN 6145-00-104-7789