Used on f-15s acft. 2a thread class right-hand 0.102" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated the oxide treatment must be black unc thread series
2a thread class right-hand 0.188" thread length undercut pan no. 2 head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.188" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.667" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated cres comp 316 only unc thread series
3a thread class right-hand 0.580" thread length pan no. 2 head style 40 thread quantity per inch navy special project passivate screw surface treated self-locking unjc thread series
3a thread class right-hand 0.6755" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.488" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
