A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5990-01-608-6914
NSN 4140-01-361-8883
NSN 5998-01-384-1633
NSN 5895-00-034-5679
NSN 6110-00-927-1794
NSN 5835-01-138-8622
NSN 5910-00-467-5029
NSN 5960-01-368-4620
NSN 5930-01-150-9372
NSN 5960-01-030-6407
NSN 5905-01-144-0870
NSN 6135-00-145-8884