A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 4140-00-372-2947
NSN 4140-01-159-9712
NSN 5895-01-526-5658
NSN 5920-00-868-7651
NSN 5945-00-716-8405
NSN 6620-01-012-2852
NSN 5990-01-514-8030
NSN 6110-01-419-9778
NSN 7035-01-055-0896
NSN 5945-00-222-5973
NSN 5998-01-027-5914
NSN 5990-00-051-7881