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 5930-01-318-3952
NSN 5925-01-319-1648
NSN 5915-00-217-6517
NSN 5996-01-612-6240
NSN 6150-01-419-0666
NSN 7035-01-068-4175
NSN 5965-00-083-6486
NSN 7035-01-062-1692
NSN 6610-01-643-0778
NSN 5895-00-916-1728
NSN 5975-01-398-2898
NSN 6135-00-444-1402