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 5920-01-228-0577
NSN 5920-01-153-7487
NSN 6145-01-437-0945
NSN 5925-01-567-3136
NSN 6620-00-053-9567
NSN 6320-01-547-2743
NSN 5935-00-815-8919
NSN 5990-00-244-8684
NSN 5999-01-502-7619
NSN 5920-00-488-4856
NSN 5935-01-615-4850
NSN 5920-01-074-2094