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 5999-01-389-0922
NSN 5999-01-226-5855
NSN 5910-01-352-1053
NSN 5998-01-151-9760
NSN 5910-01-097-1529
NSN 5920-01-429-6775
NSN 5990-00-033-8128
NSN 6130-00-521-1414
NSN 5905-01-421-1239
NSN 6130-01-529-8056
NSN 6105-01-447-2984
NSN 5990-01-432-4249