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
3a thread class right-hand flush countersunk head style 0.390" grip length 95000 single pounds per square inch shear strength aluminum alloy surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.500" grip length light orange dye on chamfered area passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.439" grip length 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series