A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6220-01-421-4448
NSN 6130-01-599-8084
NSN 5920-01-634-0250
NSN 5975-01-118-2881
NSN 7035-00-392-5417
NSN 7035-01-296-4737
NSN 5910-00-578-1982
NSN 6620-01-131-3201
NSN 5975-01-151-4994
NSN 6685-01-609-2047
NSN 5998-00-296-8848
NSN 6150-01-639-8152