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 6685-01-319-8216
NSN 5985-00-282-8313
NSN 6685-01-382-9459
NSN 6150-00-548-3228
NSN 5999-00-708-4613
NSN 5998-01-351-0551
NSN 6135-00-416-2898
NSN 5925-00-108-5385
NSN 6220-01-567-7885
NSN 5920-01-376-4422
NSN 6620-01-525-2108
NSN 4140-01-611-9426