3a thread class right-hand 0.500" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unjc thread series
2a thread class right-hand 0.226" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated color gray fed std 595 no. 36231 unc thread series
2a thread class right-hand 0.813" thread length watertight head style 32 thread quantity per inch passivate screw surface treated furnished with one ethylene propylene o-ring unc thread series
2a thread class right-hand 0.168" thread length pan no. 2 head style 32 thread quantity per inch cadmium screw surface treated flight safety critical aircraft part unc thread series
3a thread class right-hand 0.339" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.292" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unjf thread series
