Used on visual approved slope indicator lighting system (vasi). 2a single mounting facility thread class right-hand single mounting facility 0.177" single mounting facility thread length 1.172" overall length 0.735" overall width 48 single mounting facility thread quantity per inch function, relay, electromagnetic; reference data, ti-6850.46a, fa-9898, unc single mounting facility thread series
2b thread class right-hand 1.406" overall length 1.188" overall width 28 thread quantity per inch wire seal ring cadmium surface treated straight type w/cable clamp unef thread series