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 6620-00-912-9623
NSN 5950-01-246-3984
NSN 5996-01-023-7896
NSN 6240-01-212-3255
NSN 6240-01-433-3648
NSN 6150-01-440-2627
NSN 5930-01-213-1903
NSN 5965-01-119-0243
NSN 6685-01-353-4647
NSN 4140-01-468-1230
NSN 5996-01-395-1909
NSN 6105-00-045-7930