Used on wsd: aircraft, harrier av-8b; aircraft, eagle f-15. 3b thread class right-hand weapon system essential anodize surface treated unjf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 1.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.500" thread length headless (setscrew) head style 20 thread quantity per inch passivate fastener surface treated unc thread series
3a thread class right-hand 0.447" thread length flat countersunk head style 1.240" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.375" thread length double hexagon extended washer head style 0.047" hole diameter 0.180" grip length 32 thread quantity per inch navy special project cadmium surface treated unf thread series
