2a thread class right-hand 0.234" thread length headless (setscrew) head style 24 thread quantity per inch nylon point passivate surface treated unc thread series
3a thread class right-hand 0.375" thread length headless (setscrew) head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.600" thread length pan no. 2 head style 32 thread quantity per inch 0.070 in.dia hole in point passivate surface treated unc thread series
3a thread class right-hand 1.683" thread length square head style 0.062" hole diameter 18 thread quantity per inch cadmium surface treated unf thread series
Used on spec item. 3a thread class right-hand 0.437" thread length headless (setscrew) head style 40 thread quantity per inch passivate surface treated unc thread series