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 5905-01-453-2919
NSN 6610-01-415-1623
NSN 5960-01-358-9733
NSN 5930-00-419-3987
NSN 6105-00-016-5680
NSN 5985-01-401-5387
NSN 5965-01-534-9961
NSN 5905-00-507-3968
NSN 5950-00-221-5770
NSN 6650-01-391-4461
NSN 5920-01-397-5598
NSN 5998-01-226-4227