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 5985-01-275-3979
NSN 5925-01-444-5274
NSN 6650-01-575-8326
NSN 5925-00-473-2622
NSN 4140-01-365-3390
NSN 6650-01-118-6562
NSN 5920-00-682-0500
NSN 5960-01-599-9821
NSN 5999-01-653-1611
NSN 5945-01-310-8487
NSN 5960-00-136-2505
NSN 5960-00-928-2534