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.
NSN 6150-01-462-1622
NSN 5915-01-398-0633
NSN 6650-01-261-5239
NSN 5960-01-641-5493
NSN 6130-00-702-8111
NSN 2925-00-917-2842
NSN 5920-01-590-6429
NSN 5999-01-600-0011
NSN 5895-01-025-6125
NSN 5910-00-269-3919
NSN 6130-01-123-7586
NSN 5925-01-044-8589