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 6620-01-146-6968
NSN 5990-00-964-6422
NSN 6135-01-616-0696
NSN 5990-01-212-2037
NSN 5925-01-225-1962
NSN 5950-01-276-5723
NSN 2925-01-399-2765
NSN 5999-01-254-0776
NSN 2925-01-444-2061
NSN 5975-01-552-7936
NSN 5945-01-537-9461
NSN 5835-01-122-0068