Used on maintenance adapter. 3a thread class right-hand 1.650" thread length double hexagon w/hole head style 28 thread quantity per inch unjf thread series
Used on forward fuselage. 3a thread class right-hand headless (setscrew) head style 40 thread quantity per inch cadmium surface treated unc thread series
Used on seawolf class ssn; athwartshp trolley,bttry cell handling. 2a thread class right-hand 2.000" thread length headless (setscrew) head style 10 thread quantity per inch rod, round, trollet ath btry hdlg unthreaded/square end is chamfered 0.06 x 45 degrees unc thread series
Used on f-22 acft. 3a thread class right-hand headless (setscrew) head style 24 thread quantity per inch screw, set hexagon cadmium surface treated unf thread series