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 5999-01-656-8605
NSN 5835-01-068-8973
NSN 4140-01-624-9057
NSN 6220-01-332-1395
NSN 7035-01-658-1623
NSN 6645-00-634-9317
NSN 5895-00-368-9243
NSN 6110-00-052-2655
NSN 6150-01-509-2787
NSN 6650-01-151-3243
NSN 6130-01-068-4002
NSN 6645-01-519-3007