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 6610-01-141-7014
NSN 2925-01-326-0908
NSN 7035-00-756-4374
NSN 5920-01-329-4571
NSN 5960-00-067-5784
NSN 5910-01-223-2068
NSN 5975-00-872-2183
NSN 6320-01-648-5538
NSN 5960-01-512-0233
NSN 6650-01-577-7010
NSN 5950-01-252-8905
NSN 5910-01-456-1105