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 6135-00-995-1089
NSN 6620-01-649-0748
NSN 5990-00-090-3829
NSN 6650-00-287-5868
NSN 6135-00-477-8847
NSN 5910-01-265-0214
NSN 7035-01-658-7874
NSN 6620-01-268-5019
NSN 5975-01-274-8813
NSN 6620-00-078-3347
NSN 5965-01-399-8454
NSN 6685-01-656-3886