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 6110-00-397-7531
NSN 6620-01-378-5579
NSN 5935-00-229-3593
NSN 6650-01-534-5787
NSN 6110-01-003-6717
NSN 5910-01-172-5659
NSN 5905-00-615-9391
NSN 5960-01-550-8038
NSN 5965-00-069-8886
NSN 5855-01-634-0259
NSN 6130-01-379-6372
NSN 6105-00-401-4074