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 5905-01-302-5932
NSN 5945-00-926-8520
NSN 6240-01-522-7045
NSN 6105-01-194-3647
NSN 6130-01-443-9544
NSN 6610-01-483-1317
NSN 6650-01-091-4241
NSN 5895-00-894-0894
NSN 5975-00-873-1582
NSN 5930-01-292-7553
NSN 6650-01-371-2356
NSN 5945-01-073-9380