2a thread class right-hand 0.438" thread length headless (setscrew) head style 24 thread quantity per inch navy special project passivate fastener surface treated unc thread series
3a thread class right-hand 0.391" thread length dished hexagon head style 0.250" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.563" thread length hexagon head style 0.062" grip length 20 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 1.050" thread length hexagon head style 1.450" grip length 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.453" thread length dished hexagon head style 3.250" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.657" thread length hexagon head style 2.562" grip length 20 thread quantity per inch cadmium or chromate surface treated unf thread series
2a thread class right-hand 0.625" thread length double hexagon extended washer head style 0.062" hole diameter 28 thread quantity per inch unf thread series
2a thread class right-hand 0.388" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.532" thread length hexagon head style 0.312" grip length 24 thread quantity per inch cadmium surface treated unf thread series
Used on w/s:aircraft, thunderbolt ii, a-10. 3a thread class right-hand flush countersunk head style 0.130" grip length cadmium surface treated unjf thread series
3a thread class right-hand 0.733" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series