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 6220-01-297-3217
NSN 5905-00-492-7126
NSN 5835-01-357-1247
NSN 6620-01-128-4462
NSN 6130-00-881-2272
NSN 5998-00-500-7797
NSN 5945-00-115-3594
NSN 5905-01-487-5744
NSN 5930-00-843-4585
NSN 6110-00-897-4594
NSN 5975-01-399-5505
NSN 6610-00-527-8892