A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 5990-01-411-5930
NSN 6650-01-420-0233
NSN 5910-00-439-6399
NSN 5985-01-359-8277
NSN 4140-00-097-0167
NSN 6620-01-212-8089
NSN 5945-00-636-9934
NSN 6135-01-466-3980
NSN 5975-01-479-3725
NSN 5990-01-083-9013
NSN 5999-00-597-1483
NSN 5985-01-260-2460