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 5999-00-554-9966
NSN 5930-01-316-3432
NSN 6320-00-330-4327
NSN 7035-01-386-3004
NSN 5960-01-323-6432
NSN 5960-01-614-0489
NSN 6610-00-734-5976
NSN 5996-01-268-1625
NSN 4140-01-248-4429
NSN 5990-01-606-9305
NSN 5915-00-403-2634
NSN 6135-01-633-8502