2a thread class right-hand 0.225" thread length headless (setscrew) head style 40 thread quantity per inch drilled thru longitudinal axis 0.073 in. dia by 0.094 in. depth opposite slot end chromate surface treated unf thread series
3a thread class right-hand 0.296" thread length hexagon head style 2.552" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.290" thread length flat chamfer head style 0.620" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.745" thread length flat chamfer head style 0.047" hole diameter 20 thread quantity per inch cadmium surface treated unrc thread series
3a thread class right-hand 0.339" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.437" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.046" hole diameter 0.615" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.046" hole diameter 0.365" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.514" thread length hexagon head style 1.610" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.514" thread length hexagon head style 4.860" grip length 28 thread quantity per inch passivate surface treated unf thread series
Used on f16 aircraft; maverick missile. 3a thread class right-hand 1.013" thread length flat chamfer head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.437" thread length hexagon head style 6.296" grip length 28 thread quantity per inch passivate surface treated unf thread series
Used on aircraft,phantom f-4. 3a thread class right-hand 0.441" thread length flat countersunk head style 1.802" grip length 24 thread quantity per inch unjf thread series
