Used on nsn: 2320-01-529-2249; mrap buffalo mk2a2. 0.800" material thickness nut, spring-u shape, multi-thread type c metric carbon steel, class 9 chromate zinc surface treated
Used on 1520-01-355-8250. 3b thread class right-hand 20 thread quantity per inch nut, double hexagon, self-locking, alloy steel 450 f, 200ksi, flanged cadmium surface treated
Used on 6110-01-532-1835;100kw power distribution panel. right-hand 16 thread quantity per inch machine screw hex nut, brass, 0.375X0.750 conforms to ansi/asme B18.6.3