2a thread class right-hand 0.362" thread length round head style 24 thread quantity per inch item is made to army drawing 21450 BCYX1 cadmium or zinc surface treated unc thread series
Used on scavenge pump,tf-33. 3a thread class right-hand 0.490" thread length flat extended washer head style 28 thread quantity per inch unf thread series
2a thread class right-hand 1.340" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.090" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.384" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.246" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.303" thread length flat countersunk undercut head style 18 thread quantity per inch cadmium or zinc screw surface treated unc thread series