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 5835-01-528-1864
NSN 5835-01-360-2657
NSN 6130-01-564-0234
NSN 6135-01-504-4309
NSN 6150-01-384-0263
NSN 5975-00-194-4998
NSN 5999-01-366-2984
NSN 5920-01-482-0538
NSN 6135-01-426-4962
NSN 5960-00-289-6591
NSN 5895-01-479-3176
NSN 5975-00-050-3729