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 5855-01-325-9507
NSN 5855-01-573-0761
NSN 5920-00-221-0877
NSN 6150-00-475-5383
NSN 5835-01-366-5907
NSN 6320-01-125-3361
NSN 6150-00-819-1112
NSN 5975-00-199-3623
NSN 5905-01-391-9102
NSN 2925-01-604-8984
NSN 5895-00-117-4257
NSN 4140-01-359-5302