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 6130-01-585-9609
NSN 5930-01-511-5497
NSN 2925-00-660-8131
NSN 5855-00-149-0766
NSN 5985-00-913-4821
NSN 5925-01-212-1492
NSN 5910-01-192-5164
NSN 6650-01-371-5886
NSN 5975-00-681-1193
NSN 6130-01-487-3758
NSN 6110-01-466-9491
NSN 6135-01-539-9009