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 6145-00-408-9976
NSN 5920-01-381-7691
NSN 6620-00-197-5130
NSN 4140-01-463-1331
NSN 5960-00-175-7620
NSN 6645-01-054-7101
NSN 5996-01-321-3092
NSN 5985-01-470-6463
NSN 6130-01-501-4463
NSN 6105-01-191-6149
NSN 5905-00-462-6292
NSN 6650-01-209-6318