Fuel Pressure Indicator, 0-25PSI, MIL-G-7734B (AN5771-8)
This is an superb example of a US military aircraft Fuel Pressure Indicator, 0-25 PSI, MIL-G-7734B, MS28061-1, a later version of the AN5771-8. Made by US Gauge, part number AW1815AB01.
Measures ~2.5 inches diameter and ~1.75 inches deep. The glass and case are intact and the lettering is clear and precise.