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 6130-00-887-4652
NSN 5998-01-644-3600
NSN 5965-00-959-4910
NSN 4140-01-366-4034
NSN 5999-00-772-2003
NSN 5960-01-225-1610
NSN 5998-01-425-5495
NSN 5998-01-530-7980
NSN 5985-01-486-2484
NSN 6145-00-780-9108
NSN 5985-00-553-9735
NSN 5996-00-622-4904