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 6650-00-526-7785
NSN 5996-01-604-3775
NSN 5975-00-920-1824
NSN 5905-00-389-6252
NSN 5930-00-148-9247
NSN 4140-01-464-0711
NSN 5915-01-384-1653
NSN 6135-00-798-1425
NSN 6240-01-523-8401
NSN 5855-01-364-1005
NSN 5975-01-614-6714
NSN 5895-01-302-1889