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 5945-01-219-1965
NSN 5905-00-935-6954
NSN 6645-01-400-2119
NSN 6645-01-426-3378
NSN 6620-00-972-5899
NSN 5965-01-454-8649
NSN 6620-01-028-0504
NSN 5920-01-509-1153
NSN 5925-01-236-6722
NSN 6145-00-982-1997
NSN 5920-00-276-8657
NSN 6135-01-375-6724