2a thread class right-hand 0.250" thread length flat countersunk head style 32 thread quantity per inch passivate fastener surface treated unc thread series
3a thread class right-hand 0.595" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.400" thread length flat chamfer head style 40 thread quantity per inch passivate screw surface treated internal thread in slot end 0.220 in. thread depth unc thread series
2a thread class right-hand 1.238" thread length hexagon head style 11 thread quantity per inch furnished with locking element in threads unc thread series
3a thread class right-hand 0.366" thread length flat countersunk head style 0.865" grip length 24 thread quantity per inch passivate surface treated unjf thread series
Used on aircraft, f-111 (fms only);aircraft, tomcat f-14. 3a thread class right-hand 0.535" thread length double hexagon w/hole head style 1.177" grip length 24 thread quantity per inch cadmium or cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 2.490" grip length 28 thread quantity per inch cadmium surface treated unjf thread series