Used on mrap buffalo mk2a2; mrap - cougar; mrap - cougar cat1 a2. 2a thread class right-hand 0.969" thread length hexagon head style 18 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.667" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated cres comp 316 only unc thread series