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 6240-01-394-5697
NSN 6650-01-115-2766
NSN 6620-01-130-5700
NSN 5965-01-116-1886
NSN 6320-01-643-0850
NSN 5855-00-688-9954
NSN 6685-00-900-8060
NSN 6240-01-554-5693
NSN 4140-01-141-7692
NSN 6110-01-446-7126
NSN 5975-01-360-6175
NSN 4140-01-446-6832