Torque Pressure Indicator US Gauge AW1842 OH-6 Cayuse Loach Helicopter

Here is an engine Torque Pressure Indicator, 0-112.5 PSI, as appeared in the Vietnam War-era light helicopter Hughes OH-6 Cayuse, aka Loach. (see photo of instrument panel, indicator is at upper center). Measures 2.5 inches diameter by 2.5 inches deep.

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