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.
NSN 5975-00-152-2591
NSN 6240-01-422-3461
NSN 6110-01-649-9071
NSN 5985-01-541-4797
NSN 6220-01-242-6702
NSN 5910-00-221-7461
NSN 5945-01-425-5714
NSN 6110-01-486-5717
NSN 6620-01-266-8894
NSN 6220-01-237-2488
NSN 5950-01-085-6343
NSN 5930-01-197-7372