Dash indicator light used on many M-series vehicles.
P/N 7971111. NSN 6210006355686. Made in USA.
Typically used as a warning indicator (low air, axle shift, over temp, etc). 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.