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 4140-01-586-0241
NSN 6130-00-553-6199
NSN 5930-01-547-1855
NSN 6240-00-703-6614
NSN 6650-01-651-3713
NSN 5998-00-184-4235
NSN 6610-01-243-8506
NSN 5915-00-671-9223
NSN 5915-01-431-5300
NSN 6130-01-260-9519
NSN 5990-01-380-7815
NSN 6135-01-204-3882