A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6320-01-125-3361
NSN 4140-01-487-7179
NSN 5895-00-572-8050
NSN 5990-01-632-0969
NSN 6645-00-209-5778
NSN 6650-01-374-4923
NSN 5915-01-503-4246
NSN 6620-01-504-5756
NSN 6150-01-105-9187
NSN 5950-01-232-0492
NSN 5950-00-076-3275
NSN 5915-01-422-4620