Used on w/s:aircraft,b-2 bomber (atb). 3a thread class right-hand 0.5575" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 0.620" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.3075" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.578" thread length dished hexagon head style 1.678" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
Used on pacer dawn. 3a thread class right-hand 0.461" thread length double hexagon w/hole head style 28 thread quantity per inch used on tfe-1042 unjf thread series
3a thread class right-hand 0.124" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series