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 5990-00-702-1990
NSN 5930-00-966-2788
NSN 5990-01-386-3040
NSN 6685-00-991-3640
NSN 5935-00-058-4983
NSN 5998-00-468-0421
NSN 5935-01-570-6945
NSN 5895-00-702-6827
NSN 4140-01-218-4999
NSN 4140-01-469-6140
NSN 6240-00-825-6560
NSN 5905-01-542-9870