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 5945-00-244-0557
NSN 6110-01-056-4964
NSN 5950-01-456-5660
NSN 6240-00-635-9798
NSN 6220-01-161-2836
NSN 5915-01-532-0722
NSN 5915-00-926-0109
NSN 6650-00-985-5332
NSN 7035-01-487-6481
NSN 4140-01-204-7025
NSN 6650-00-767-7597
NSN 6240-01-206-4809