Gauge back light fixture. P/N 8376500. NSN 6210006999458. Red lens with solid front. Fixture uses mating connector MS27142-2 or MS27142-3. Indicator light includes a 24 volt bulb (uses standard T-3 1/4 style bayonet base lamp). Light fixture housing is metal. Rubber seals on lamp lens and is dust and water resistant when properly installed.
Common to most M series vehicles except not for use on the HMMWV instrument panel.