A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6650-01-364-8504
NSN 6150-01-072-0574
NSN 5975-00-169-1401
NSN 6150-00-722-3820
NSN 4140-00-555-2579
NSN 6650-00-221-9425
NSN 5999-01-318-1334
NSN 6610-01-199-4795
NSN 6650-01-437-2570
NSN 6320-00-456-2092
NSN 6110-00-562-2330
NSN 5925-01-255-1048