A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 4140-01-077-7555
NSN 5990-00-644-3365
NSN 5960-01-386-5770
NSN 6105-00-613-7145
NSN 5996-00-289-9847
NSN 5920-01-634-0250
NSN 2925-01-040-6354
NSN 6130-01-020-9004
NSN 5935-01-130-8450
NSN 6130-01-053-5559
NSN 5855-01-306-5655
NSN 5945-01-410-8181