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 6110-01-269-8052
NSN 5990-01-462-1617
NSN 6135-01-608-0685
NSN 5855-00-869-3635
NSN 5930-00-142-4753
NSN 5835-01-170-0271
NSN 4140-01-268-1351
NSN 5965-01-484-1845
NSN 5975-01-116-4472
NSN 5925-01-605-3888
NSN 6320-01-173-7950
NSN 5945-01-131-8064