3a thread class right-hand 0.380" thread length flat countersunk undercut head style 32 thread quantity per inch navy special project unjf thread series
2a thread class right-hand 0.268" thread length dished hexagon head style 24 thread quantity per inch incl washer, valconized hard red fiber, 0.296/0.301 in. id, 0.557/0.571 in. od zinc surface treated unf thread series
3a thread class right-hand flush countersunk head style 0.817" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength color on thread end aluminum surface treated unjf thread series
Used on c-5 aircraft. 3a thread class right-hand 0.260" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjc thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 1.052" grip length 32 thread quantity per inch internal drive ribbed unjf thread series
3a thread class right-hand headless (setscrew) head style 28 thread quantity per inch thru hole 0.125 in. dia, optional hex 0.125 in. across flats passivate surface treated unf thread series
3a thread class right-hand 0.251" thread length pan head style 32 thread quantity per inch cadmium or chromate screw surface treated unjc thread series
