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 5990-01-498-0641
NSN 2925-01-149-0353
NSN 5985-00-011-3656
NSN 2925-00-391-0331
NSN 5998-01-653-9822
NSN 5985-01-078-5836
NSN 2925-01-541-5031
NSN 5915-01-533-9982
NSN 5985-01-493-4085
NSN 5985-00-836-3042
NSN 6320-00-823-2015
NSN 6650-01-260-1762