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 5925-01-660-6739
NSN 5925-01-598-1186
NSN 5998-00-707-5781
NSN 5895-01-523-6830
NSN 6240-00-353-5753
NSN 5835-01-283-8942
NSN 5925-00-554-4114
NSN 6150-01-131-9801
NSN 5985-01-175-2971
NSN 7035-01-227-2546
NSN 5930-01-244-8668
NSN 5996-01-331-1432