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 6610-01-496-1806
NSN 5998-00-186-1464
NSN 6650-00-919-5521
NSN 5985-00-727-5293
NSN 5905-00-914-7157
NSN 7035-01-559-0636
NSN 6135-01-069-2482
NSN 5915-01-243-0624
NSN 6240-01-582-8354
NSN 5965-00-791-0964
NSN 6645-01-364-0867
NSN 6130-00-454-8342