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 5920-00-711-0767
NSN 5895-01-384-3736
NSN 4140-01-116-8141
NSN 6135-00-194-9354
NSN 5855-00-532-0025
NSN 6145-01-527-2528
NSN 7035-01-411-6062
NSN 6610-00-664-2190
NSN 5935-00-707-6148
NSN 5945-01-222-1658
NSN 6145-01-192-6416
NSN 6110-00-959-7002