A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6110-00-463-6158
NSN 6650-00-904-5683
NSN 5895-01-626-2454
NSN 6650-01-512-1930
NSN 5960-00-355-7307
NSN 5985-00-917-9824
NSN 5950-00-144-0590
NSN 7035-01-113-6492
NSN 6150-01-303-4105
NSN 6220-01-590-5428
NSN 4140-01-166-5049
NSN 6610-01-462-5980