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 5920-01-589-2844
NSN 5925-01-192-5181
NSN 6610-01-406-4985
NSN 5998-01-199-4888
NSN 7035-01-099-9163
NSN 6610-01-310-0066
NSN 6645-01-302-9608
NSN 6135-00-112-8637
NSN 6135-01-400-2947
NSN 5915-01-494-9550
NSN 5910-01-579-5743
NSN 6645-01-467-9983