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 5999-00-063-0572
NSN 5925-01-550-2366
NSN 6320-01-350-0320
NSN 5835-01-442-6482
NSN 5855-01-278-8922
NSN 5960-01-424-1781
NSN 5855-01-379-9978
NSN 5895-00-181-7020
NSN 5935-01-345-7067
NSN 6135-01-399-8230
NSN 6620-01-039-5468
NSN 5835-01-555-8963