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 6610-01-275-0119
NSN 6145-00-847-3597
NSN 5950-01-230-9687
NSN 6105-01-421-2644
NSN 5999-01-152-1149
NSN 5915-00-493-1740
NSN 6240-01-395-6360
NSN 5945-01-255-3460
NSN 6320-01-459-6992
NSN 6150-00-246-6673
NSN 6620-01-659-1256
NSN 5950-01-423-2268