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 5910-01-323-7086
NSN 5975-01-578-6829
NSN 5960-00-049-7712
NSN 6240-00-221-0859
NSN 6620-01-054-9346
NSN 5998-01-259-4680
NSN 5998-01-172-8217
NSN 5910-01-471-4504
NSN 4140-00-071-2209
NSN 4140-00-361-4691
NSN 5965-01-353-0085
NSN 5910-01-193-7296