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 5975-00-332-7221
NSN 2925-01-171-6106
NSN 6620-01-285-0302
NSN 5945-00-908-8309
NSN 5835-01-544-5183
NSN 5990-01-243-4233
NSN 6620-00-221-7526
NSN 5985-01-422-8968
NSN 6650-01-471-4663
NSN 5960-01-194-4506
NSN 6110-00-782-7193
NSN 5855-00-149-0766