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 5915-01-422-2014
NSN 6145-00-517-6666
NSN 6620-01-170-8270
NSN 6130-01-586-9469
NSN 5996-01-236-4778
NSN 5855-00-357-1158
NSN 5999-00-601-0999
NSN 5920-01-418-7423
NSN 6135-01-247-5660
NSN 5920-01-373-7622
NSN 6150-01-197-6993
NSN 4140-01-257-6571