Used on fighter aircraft-first (f18 e/f). 2b thread class right-hand 40 thread quantity per inch navy) socket, plug-in, electronic component, for 10 ampere, 4 pdt relays unc thread series
Used on f-15 aircraft, support equipment, power supply. 1.710" overall length 0.520" overall width effective 12/20/1989, parts identifed with an 's' modifier shall be corrosion resisting steel (crs) ,