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 6135-00-175-1279
NSN 5895-00-912-4745
NSN 5950-00-727-5212
NSN 6685-00-932-8990
NSN 5965-01-610-8755
NSN 6220-01-658-4536
NSN 5996-01-326-4115
NSN 5975-01-100-1822
NSN 4140-01-132-0093
NSN 5910-01-365-2401
NSN 5960-01-489-1510
NSN 5920-01-467-6705