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 5835-01-090-0784
NSN 5925-01-489-2791
NSN 5960-01-546-2379
NSN 5998-01-377-2497
NSN 5960-01-586-5235
NSN 2925-00-017-9807
NSN 5930-01-327-3744
NSN 6145-01-146-4106
NSN 5999-00-241-0043
NSN 5895-01-614-9219
NSN 6645-01-391-6492
NSN 5835-01-473-1620