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 6105-00-811-1990
NSN 6110-01-386-3093
NSN 5930-00-089-3191
NSN 5905-00-883-1683
NSN 6645-00-896-9430
NSN 5855-01-353-3958
NSN 6685-01-542-8635
NSN 6105-00-928-3699
NSN 5998-01-200-2050
NSN 5835-01-107-8600
NSN 4140-01-345-4212
NSN 5835-01-454-5267