Used on support equipment for b-1 aircraft,los angeles class ssn(688),general purpose electronic test equipment,spruance class dd(963),emory s.land class as. weapons system essential
2a single mounting facility thread class 0.950" overall length 0.735" overall width 10 amp; indicator light mounted on top unc single mounting facility thread series
2b second mounting facility thread class right-hand second mounting facility 3.250" overall length 3.090" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series