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 5996-00-191-2133
NSN 6130-00-940-1883
NSN 5915-00-850-4277
NSN 4140-01-177-7396
NSN 5999-01-095-0446
NSN 6105-01-350-9211
NSN 6610-01-517-1901
NSN 5930-01-004-8339
NSN 5990-01-442-3520
NSN 6650-00-389-4111
NSN 7035-01-649-4434
NSN 5935-01-020-9867