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 5965-00-275-0491
NSN 5925-01-308-7858
NSN 6105-01-061-1242
NSN 6610-00-460-1419
NSN 4140-01-563-5618
NSN 4140-00-613-9209
NSN 5999-01-055-6571
NSN 5855-01-147-6024
NSN 5930-01-452-3576
NSN 5990-01-423-8189
NSN 5905-00-101-2879
NSN 5990-00-518-7525