Used on rg-33 auv mrap. 3a thread class right-hand 0.750" thread length headless (setscrew) head style 18 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 1.000" thread length headless (setscrew) head style 24 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.625" thread length headless (setscrew) head style 20 thread quantity per inch unthreaded P0RTI0n L0cated at drive end 0.375 in. lg by 0.297 in. min, 0.300 in. max dia unf thread series