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 5935-00-251-1915
NSN 7035-01-421-4446
NSN 4140-01-453-7935
NSN 6220-01-056-6507
NSN 5835-01-231-4994
NSN 5950-01-540-2224
NSN 6135-00-461-3590
NSN 6240-01-453-7614
NSN 5945-01-597-2142
NSN 5915-01-442-6711
NSN 7035-01-462-1957
NSN 6650-01-061-6301