A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.
NSN 6645-00-641-3202
NSN 5960-00-269-4762
NSN 5999-01-576-3813
NSN 5990-00-263-1289
NSN 5925-00-803-1930
NSN 5985-01-652-1544
NSN 6650-01-388-2538
NSN 6145-00-342-8122
NSN 5945-01-427-3790
NSN 6650-01-600-2980
NSN 5999-01-634-0576
NSN 5905-01-092-2093