3a thread class right-hand 0.400" thread length dished hexagon head style 0.178" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 1.330" thread length round w/wrench flats head style 18 thread quantity per inch pellet type locking feature in threads unc thread series
2a thread class right-hand 0.390" thread length flat chamfer head style 40 thread quantity per inch passivate screw surface treated internal thread in slot end 0.160 in. min thd depth unc thread series
3a thread class right-hand 0.313" thread length hexagon head style 32 thread quantity per inch washer anodizing or chemically treating per mil-c-5541 unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 28 thread quantity per inch washer anodizing or chemically treated per mil-c-5541 unjf thread series
Used on aircraft hornet f/a-18. 3a thread class right-hand 0.616" thread length flat countersunk head style 0.802" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.506" thread length flat countersunk head style 0.678" grip length 24 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 1.49605" thread length 14 thread quantity per inch total free length 17.4882 in, 0.4374 in dia stock, item used on M114A1 how round bend unc thread series
3a thread class right-hand 1.671" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series