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 5895-00-973-5955
NSN 5920-01-502-9681
NSN 5945-01-294-7666
NSN 6685-01-320-0856
NSN 2925-00-386-1127
NSN 5996-00-141-0288
NSN 6130-01-258-5330
NSN 5990-00-100-6643
NSN 6135-01-461-6521
NSN 5935-00-507-2471
NSN 6110-01-418-2578
NSN 5945-01-415-5933