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 6650-00-913-8405
NSN 5920-01-641-6987
NSN 5999-01-361-8950
NSN 6145-01-115-3464
NSN 5985-01-147-4519
NSN 6145-01-231-8476
NSN 6110-00-717-5860
NSN 6110-01-200-5558
NSN 6110-01-363-8818
NSN 5965-01-291-0384
NSN 6110-01-578-6777
NSN 5960-01-449-1310