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 5960-01-580-6360
NSN 6620-01-445-4295
NSN 7035-01-202-8172
NSN 5925-01-430-4196
NSN 7035-01-112-9375
NSN 6620-01-097-7078
NSN 5990-01-540-1619
NSN 6645-01-210-2223
NSN 6645-00-397-2210
NSN 5950-00-992-4838
NSN 6620-00-405-4621
NSN 5920-01-609-0277