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 6685-01-174-3818
NSN 5920-00-911-3452
NSN 5910-00-339-2198
NSN 6130-01-587-2835
NSN 5996-01-133-6058
NSN 6620-01-574-1862
NSN 5895-01-285-8778
NSN 5975-01-044-0159
NSN 6650-00-430-0296
NSN 6320-01-547-2743
NSN 6145-00-496-2020
NSN 6105-01-492-4383