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 5999-00-958-5126
NSN 6105-01-530-7969
NSN 5910-01-449-2691
NSN 5975-00-248-2560
NSN 6650-01-290-4001
NSN 6105-01-007-6115
NSN 5999-00-075-0177
NSN 5915-00-503-9797
NSN 6130-00-115-0574
NSN 4140-01-168-4308
NSN 6145-01-597-8473
NSN 6620-01-296-7987