3a thread class right-hand 0.553" thread length dished hexagon head style 1.615" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.323" thread length hexagon head style 1.125" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.375" thread length headless (setscrew) head style 32 thread quantity per inch passivate surface treated unjf thread series
Used on 4930-01-517-6939, tank unit,fuel dispensing,truck mounting. 2a thread class right-hand 1.000" thread length hexagon head style 24 thread quantity per inch zinc surface treated unf thread series
Used on aircraft, eagle f-15. 3a thread class right-hand 0.594" thread length flat countersunk head style 2.250" grip length 24 thread quantity per inch unjf thread series