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 5835-01-495-0595
NSN 5925-01-379-7734
NSN 5920-01-641-2924
NSN 7035-01-632-9477
NSN 5925-01-207-7995
NSN 5960-01-086-9650
NSN 5855-01-047-3231
NSN 6130-01-398-2519
NSN 6130-01-472-2411
NSN 6130-00-287-1972
NSN 5960-01-369-3628
NSN 5925-01-368-6790