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 5998-00-208-9336
NSN 5895-01-632-1719
NSN 6220-01-159-0442
NSN 5895-00-980-2432
NSN 6150-00-886-6638
NSN 5935-01-198-3188
NSN 5975-01-160-8617
NSN 6145-01-589-2657
NSN 4140-01-277-1797
NSN 5999-00-890-0484
NSN 5855-01-429-9822
NSN 5835-01-163-4215