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 6220-01-370-4215
NSN 5965-00-139-4870
NSN 5990-01-320-1412
NSN 6620-01-340-1503
NSN 4140-00-459-1564
NSN 4140-00-325-5395
NSN 6610-00-305-5447
NSN 7035-00-631-3782
NSN 6240-01-535-7359
NSN 5835-01-632-6627
NSN 6150-01-304-8148
NSN 5935-01-268-1856