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 6320-01-512-2031
NSN 5910-01-069-4164
NSN 5996-01-178-4724
NSN 7035-00-270-5519
NSN 5925-00-568-3631
NSN 5925-01-465-6279
NSN 4140-01-536-6288
NSN 5935-01-390-2475
NSN 5960-01-195-6905
NSN 5999-01-088-4347
NSN 5965-01-056-1303
NSN 6645-01-432-0052