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 5910-01-481-1515
NSN 6110-01-299-2613
NSN 5990-01-400-3299
NSN 5930-01-211-9410
NSN 6650-01-232-4965
NSN 6105-01-367-2269
NSN 5990-01-318-3238
NSN 6150-01-536-1131
NSN 6145-01-655-4185
NSN 5996-01-408-9407
NSN 6110-00-575-9795
NSN 5905-00-389-6252