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 6150-01-522-7324
NSN 5996-00-636-4849
NSN 6105-01-634-0322
NSN 5915-00-138-9155
NSN 5835-01-166-7420
NSN 6320-01-578-6006
NSN 5835-01-449-7511
NSN 6150-00-880-3230
NSN 5895-01-165-0320
NSN 5996-00-950-5829
NSN 5985-00-682-5247
NSN 6110-00-583-9821