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 5975-01-120-7558
NSN 5920-00-267-3109
NSN 5835-00-998-5757
NSN 6110-00-877-2940
NSN 5999-01-153-2076
NSN 5950-00-840-4196
NSN 4140-00-155-8012
NSN 6650-01-253-8062
NSN 4140-00-914-7949
NSN 6620-01-653-9278
NSN 6135-01-222-0703
NSN 5945-01-411-0605