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 5910-01-269-5723
NSN 5999-00-840-6094
NSN 5998-00-823-5659
NSN 6130-01-150-7536
NSN 5855-00-951-6483
NSN 5990-00-859-2932
NSN 5990-01-166-2237
NSN 6150-01-021-2458
NSN 6145-01-049-9292
NSN 5960-01-567-1096
NSN 6130-01-485-6659
NSN 5935-00-421-3245