Used on an/psc-5d man-pack sattelite communications system. 2a thread class right-hand flat countersunk head style 56 thread quantity per inch unc thread series
Used on interim armored vehicle (iav),contractor logistics support (cls). right-hand 38.0mm thread length pan head style zinc screw surface treated m thread series
Used on mk5 mod24,pu. 3a thread class right-hand 2.500" thread length hexagon head style 32 thread quantity per inch passivate screw surface treated unjc thread series