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 4140-01-445-5945
NSN 6130-01-619-7046
NSN 5990-01-004-6343
NSN 5965-00-805-4893
NSN 5920-00-946-9147
NSN 5935-01-562-7805
NSN 6105-01-117-9846
NSN 5996-01-525-6937
NSN 6320-00-521-9350
NSN 5998-01-618-6243
NSN 5998-01-040-4232
NSN 5915-01-067-3536