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 5835-01-521-0298
NSN 5910-00-802-2249
NSN 6130-00-373-1757
NSN 5965-01-443-2416
NSN 5998-00-423-6872
NSN 5945-00-012-4441
NSN 6130-01-388-7826
NSN 6145-01-649-9619
NSN 6145-01-651-6198
NSN 5965-01-360-6568
NSN 5895-01-448-1147
NSN 5975-01-295-5213