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 6240-01-064-0199
NSN 5998-01-429-7010
NSN 2925-01-222-7764
NSN 5910-01-423-2273
NSN 6150-01-523-0589
NSN 5895-01-456-0854
NSN 5895-00-398-0029
NSN 5990-01-565-2226
NSN 5996-00-871-8554
NSN 6105-00-395-1374
NSN 5905-01-608-5709
NSN 7035-01-646-4019