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 6220-01-274-2468
NSN 5998-01-476-4539
NSN 5960-00-170-4587
NSN 5950-00-185-7249
NSN 6110-01-152-2840
NSN 5855-00-763-2155
NSN 5925-01-319-4500
NSN 5965-01-627-3702
NSN 5910-00-737-0484
NSN 5996-00-794-9155
NSN 5960-01-311-5817
NSN 6610-01-629-4140