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 6610-01-498-0524
NSN 6150-01-507-3943
NSN 5945-01-139-5179
NSN 5930-01-653-3269
NSN 6220-01-303-9442
NSN 5925-00-081-7593
NSN 5965-01-074-7306
NSN 5945-01-172-8470
NSN 2925-00-185-1618
NSN 5996-00-135-2768
NSN 5960-00-068-6449
NSN 6320-00-456-0836