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 7035-00-312-3055
NSN 6240-01-040-7640
NSN 6685-01-034-7210
NSN 6645-01-458-3814
NSN 4140-00-838-1252
NSN 5990-01-046-8530
NSN 6645-01-625-4810
NSN 5910-01-391-7774
NSN 6135-00-628-1142
NSN 6610-00-803-0722
NSN 6685-01-416-1140
NSN 6145-01-032-3022