A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 5945-01-063-9640
NSN 6645-00-900-5830
NSN 5990-01-037-9801
NSN 7035-01-265-0216
NSN 6150-00-502-9593
NSN 4140-01-067-2587
NSN 6145-00-814-9266
NSN 5915-00-583-4970
NSN 6130-00-684-6773
NSN 5925-01-278-2857
NSN 4140-01-065-1884
NSN 5998-01-253-0212