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 6135-00-926-8322
NSN 6240-01-500-9461
NSN 6110-01-348-2223
NSN 5945-01-582-2185
NSN 5975-00-168-8083
NSN 6240-00-145-8167
NSN 6110-00-193-2847
NSN 6110-00-582-7504
NSN 5998-01-604-4563
NSN 5950-00-764-1753
NSN 6620-01-246-4314
NSN 5985-01-582-8669