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 5835-01-495-0595
NSN 5998-00-088-0325
NSN 5999-00-421-7644
NSN 5930-01-447-3401
NSN 5975-01-615-9467
NSN 6320-01-631-7828
NSN 6150-01-067-5515
NSN 5930-01-367-2184
NSN 5965-01-604-1632
NSN 6620-01-625-2855
NSN 6320-01-021-6633
NSN 6645-01-445-5235