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 6620-01-470-0172
NSN 5935-00-113-5171
NSN 6240-00-607-4303
NSN 5935-01-268-1834
NSN 5990-01-516-9665
NSN 6110-01-433-0292
NSN 6650-01-346-7678
NSN 5960-01-468-6508
NSN 6145-00-466-2790
NSN 5965-01-446-6945
NSN 5950-01-370-7837
NSN 6130-00-175-8063