2a thread class right-hand 0.310" thread length pan no. 2 head style 24 thread quantity per inch passivate screw surface treated sealing ring/sleeve to be nylon per mil-p-17091-b unc thread series
Used on hemtt family (heavy expanded mobility tactical trucks). 2a thread class right-hand 0.188" thread length button head style 32 thread quantity per inch zinc screw surface treated unc thread series
3a thread class right-hand 0.491" thread length flat countersunk head style 24 thread quantity per inch navy special project passivate screw surface treated internal drive ribbed unjf thread series
2a thread class right-hand 0.171" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.782" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
