3a thread class right-hand 0.334" thread length double hexagon w/hole head style 0.125" grip length 32 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.828" thread length double hexagon w/hole head style 0.055" hole diameter 1.375" grip length 18 thread quantity per inch navy special project passivate surface treated unjf thread series
Used on C-17. 3a thread class right-hand flush countersunk head style 0.120" grip length 32 thread quantity per inch 85000 single pounds per square inch shear strength passivate surface treated unjc thread series
2a thread class right-hand modified pan head style 32 thread quantity per inch passivated surface treatment of screw passivate bearing surface of head surface treated unf thread series
2a thread class right-hand 0.303" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unc thread series