A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6145-00-844-1929
NSN 5999-00-726-3251
NSN 5975-01-068-4125
NSN 4140-00-245-2715
NSN 5996-01-105-0382
NSN 5945-01-434-3907
NSN 6320-00-036-3688
NSN 6110-00-508-5892
NSN 5905-01-106-3847
NSN 4140-01-411-9304
NSN 5998-01-361-2789
NSN 5950-00-082-1616