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 6220-01-280-1255
NSN 5990-01-419-0661
NSN 6620-01-345-9488
NSN 5895-01-648-3659
NSN 5835-00-119-5585
NSN 5985-01-084-5789
NSN 6220-01-526-2726
NSN 5910-01-174-8754
NSN 6645-00-107-2148
NSN 5996-01-014-6103
NSN 5965-00-959-8162
NSN 6110-01-485-9791