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 6650-01-388-2538
NSN 5975-00-189-0857
NSN 6610-01-130-0744
NSN 6150-01-381-5676
NSN 5996-01-548-6975
NSN 5960-00-858-9210
NSN 5835-00-465-3762
NSN 6150-01-386-3071
NSN 6105-01-251-0429
NSN 6105-01-209-9153
NSN 6150-01-044-6243
NSN 5855-01-574-1821