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 5975-01-352-5853
NSN 6135-01-014-3144
NSN 6130-01-443-2448
NSN 5945-01-369-1505
NSN 2925-00-486-8640
NSN 5945-00-280-7765
NSN 7035-00-018-0350
NSN 6110-01-558-4809
NSN 5920-01-433-5869
NSN 6105-01-400-0895
NSN 5925-01-206-3488
NSN 4140-01-370-7426