A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 5999-01-244-0564
NSN 6145-00-715-5262
NSN 5855-00-560-0110
NSN 6220-00-893-3558
NSN 5999-01-139-4275
NSN 6645-00-646-6631
NSN 5910-01-429-0156
NSN 5935-01-267-5808
NSN 5915-01-422-7073
NSN 6130-01-398-9131
NSN 6645-00-420-5072
NSN 6645-01-592-2557