2b single mounting facility thread class 4.250" overall length 2.875" overall width 20 single mounting facility thread quantity per inch shaft includes threaded pin located 90 deg from flat of shaft tap, circuit selector unc single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.500" overall length 32 single mounting facility thread quantity per inch tap, circular, bushing mount uns single mounting facility thread series
common lamp ground circuitry; 0.684 in. sq; 1.410 in. lg; white background; 4-way split lens; illuminates red; accommodates four T1-3/4 lamps; no legend
common lamp ground circuitry; 0.684 in. sq; 1.410 in. lg; white background; full face lens; illuminates white; accommodates four T1-3/4 lamps; no legend
common lamp ground circuitry; 0.684 in. sq; 1.410 in. lg; white background; 2-way split lens; illuminates white; accommodates four T1-3/4 lamps; no legend
