Used on torp,tube. 3a thread class right-hand 1.750" thread length flat chamfer head style 18 thread quantity per inch item is self locking; head cylindrical unrf thread series
Used on c17a aircraft. 3a thread class right-hand 1.500" thread length hexagon head style 0.069" hole diameter 24 thread quantity per inch cadmium surface treated unjf thread series
Used on seaking, mk48, hi-shear corporation. 3a thread class right-hand 0.125" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.329" thread length hexagon head style 2.865" grip length 28 thread quantity per inch cadmium surface treated unjf thread series