Used on engine model f-104. 3a thread class right-hand 0.288" thread length double hexagon extended washer head style 28 thread quantity per inch unjf thread series
3a thread class right-hand 1.050" thread length dee chamfer head style 20 thread quantity per inch both dia rounded with radius of 0.250 in. on each end unjf thread series
3a thread class right-hand 0.630" thread length dee chamfer head style 28 thread quantity per inch externally relieved body dia rounded 0.200 in. radius on both ends unjf thread series
3a thread class right-hand 0.580" thread length dee chamfer head style 28 thread quantity per inch 0.500 in. lg of body ground with a radius 0.150 in. equally from each end to 0.195 in. dia from 0.250 in. unjf thread series
3a thread class right-hand 0.533" thread length double hexagon extended washer head style 0.008" hole diameter 32 thread quantity per inch unjf thread series
3a thread class right-hand 0.750" thread length double hexagon extended washer head style 28 thread quantity per inch navy special project unjf thread series