A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 2925-01-197-7864
NSN 5935-00-063-9571
NSN 6135-00-735-8530
NSN 6620-00-262-3113
NSN 6220-01-528-7219
NSN 5950-01-414-8706
NSN 5920-01-551-5650
NSN 6110-00-075-5660
NSN 6240-01-598-5733
NSN 6685-01-185-5554
NSN 5945-01-461-3902
NSN 5835-00-729-9305