3a thread class right-hand 0.297" thread length button head style 32 thread quantity per inch navy special project oxide surface treated unf thread series
3a thread class right-hand 0.875" thread length flat chamfer head style 32 thread quantity per inch solid film lubricant applied to shank passivate surface treated unc thread series
3a thread class right-hand 0.478" thread length crowned hexagon head style 0.875" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.478" thread length crowned hexagon head style 1.000" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.478" thread length crowned hexagon head style 1.500" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.478" thread length crowned hexagon head style 2.875" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.418" thread length crowned hexagon head style 0.438" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.418" thread length crowned hexagon head style 0.625" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.418" thread length crowned hexagon head style 0.688" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.419" thread length crowned hexagon head style 0.812" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.365" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.490" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
Used on w/s:aircraft, f-16. 3a thread class right-hand flush countersunk head style 0.689" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.626" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.052" grip length 20 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.427" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.365" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.501" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
Used on aircraft, hercules c-130; aircraft, stratofortress b-52; troposcatter radio terminal an/trc-170; aircraft, stratolifter c-135; aircraft, f-111; aircraft, ac-130h, mc-130h, ec-130e, hc-130; helicopter, iroquois hh/uh-1; helicopter, super jolly h-53; engine, aircraft, t56-a-7/15 (c-130b/e/h/n/p). universal head style 0.438" grip length ns" letters after the material code "b" indicate no preference to lock type (may be visible or internal) . rivets with no letter code (indicating visible lock type) chromate sleeve surface treated
2a thread class right-hand 0.259" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
