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 5960-01-234-0926
NSN 6150-01-607-0491
NSN 5965-01-138-4979
NSN 6150-01-542-7483
NSN 7035-01-105-7776
NSN 6620-01-575-6498
NSN 5998-01-369-5677
NSN 5999-01-468-3651
NSN 5985-01-347-5656
NSN 6145-01-061-9503
NSN 6150-01-183-5360
NSN 5855-01-533-0996