Used on f-4 phantom, c-135 stratolifter, c-130 hercules, e-3a awacs, f-16 aircraft. h-53 super jolly helcopter. f-4, f-15, f-16, f-111, b-52, b-1 mx peacekeeper missle support equipment. lgm-30 minuteman missle, mx peacekeeper missle.ground wave emergency network (gwen). radio an/grc-171b(v)4. consolidated space operations center.. 2a thread class 40 thread quantity per inch weapon system essential uns thread series