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 5985-01-343-4535
NSN 6610-00-028-2222
NSN 6130-01-105-9129
NSN 6220-01-579-3138
NSN 5996-00-581-5810
NSN 5950-01-088-2987
NSN 5945-00-827-4167
NSN 6610-00-504-2839
NSN 6145-00-267-9617
NSN 6320-01-170-4068
NSN 4140-01-309-1368
NSN 6320-01-592-6248