A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6620-00-621-6951
NSN 5998-01-465-6995
NSN 6145-01-482-9054
NSN 6105-01-110-2867
NSN 5996-01-400-0862
NSN 6650-01-068-9248
NSN 7035-00-193-2269
NSN 5835-00-917-7344
NSN 6135-00-660-8654
NSN 6130-00-649-2802
NSN 4140-01-151-2937
NSN 5935-01-177-4659