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 5999-00-578-7488
NSN 5925-00-167-1213
NSN 5910-01-537-0532
NSN 5945-01-122-8141
NSN 6150-00-518-1402
NSN 5855-01-431-8937
NSN 5996-00-213-7121
NSN 6650-01-475-3714
NSN 5835-00-262-6146
NSN 6130-01-240-8801
NSN 5996-00-310-0823
NSN 6240-00-350-4375