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 4140-00-826-9031
NSN 6620-01-200-6493
NSN 5999-01-254-2763
NSN 5895-00-914-6636
NSN 5910-01-192-4214
NSN 6610-01-088-3050
NSN 5945-01-275-3080
NSN 5985-01-169-5410
NSN 6645-01-412-6580
NSN 5925-01-420-6924
NSN 5975-00-153-0050
NSN 5985-01-633-0378