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 5915-01-628-2968
NSN 5990-01-272-4091
NSN 5835-01-584-8538
NSN 5925-00-782-6946
NSN 6650-01-258-5871
NSN 6620-00-137-0332
NSN 6620-01-076-8706
NSN 4140-01-474-6991
NSN 5960-00-775-9056
NSN 5855-00-631-4565
NSN 6150-01-015-7259
NSN 6105-00-252-9017