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 6150-00-454-3391
NSN 5930-01-240-8308
NSN 6650-01-633-9147
NSN 5960-00-677-7444
NSN 5855-00-922-6459
NSN 5920-01-441-2481
NSN 5910-00-175-0225
NSN 6220-01-020-7596
NSN 6650-01-367-5172
NSN 6650-00-078-5773
NSN 4140-01-128-6444
NSN 5996-01-421-2416