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 6620-01-565-9630
NSN 5985-01-462-7348
NSN 2925-00-177-6969
NSN 6130-01-058-6929
NSN 7035-01-337-1729
NSN 5925-01-539-6217
NSN 6130-01-621-6194
NSN 5925-01-205-7482
NSN 6110-01-279-1992
NSN 5965-00-532-3284
NSN 5990-01-095-8866
NSN 5985-01-021-1353