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 5998-01-634-0604
NSN 7035-01-386-5722
NSN 6645-01-157-9103
NSN 5855-01-340-6541
NSN 6135-01-297-5565
NSN 6130-01-650-9349
NSN 5910-00-476-0591
NSN 6645-01-023-8020
NSN 5945-01-094-9303
NSN 5996-01-648-0405
NSN 5990-01-395-4194
NSN 6105-00-512-0588