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 4140-01-363-2258
NSN 6135-00-803-3012
NSN 6130-01-293-6051
NSN 5905-01-437-8811
NSN 6145-01-515-0323
NSN 5835-01-629-2044
NSN 5998-01-331-7542
NSN 6685-01-268-1724
NSN 7035-00-371-7749
NSN 6240-01-369-9039
NSN 6145-01-302-8157
NSN 5920-00-902-2742