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 5999-01-238-4523
NSN 5930-01-475-8896
NSN 5935-01-237-3510
NSN 5999-01-216-3649
NSN 6610-01-436-5236
NSN 6620-01-364-0195
NSN 4140-00-128-8072
NSN 6105-01-385-0502
NSN 5835-01-495-0595
NSN 5930-00-678-4052
NSN 6150-00-242-9439
NSN 5855-00-055-1579