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 6240-01-133-9596
NSN 5925-00-690-7568
NSN 5990-01-378-5443
NSN 5999-01-200-7629
NSN 6110-01-207-2748
NSN 5905-01-416-9122
NSN 5950-01-337-8577
NSN 5998-01-149-0031
NSN 5996-01-131-4115
NSN 5915-01-592-4639
NSN 7035-01-376-0359
NSN 5910-01-456-1105