Fuel Pressure Indicator, Dual Engine, 0-25 PSI, AN-5772TIA US Navy P-51 Used to alter the Heading

Used to alter the Heading Index

MsoNormalTable {mso-style-name:"Table Normal"

and has a serial number prefix of AF44

The indicator measures the temperature of the cylinder head via thermocouple from a single engine

It measures 3

Fuel Pressure Indicator, Dual Engine, 0-25 PSI, AN-5772TIA US Navy P-51 Used to alter the HeadingHere is a 1940 50s era dual engine Fuel Pressure Indicator made by Edison PN 34955, for aircraft of the US Navy. See photo showing the yellow USN anchor symbol stamped on its back case. Also, a service stamp has been affixed to its side indicating it was once serviced at NAF DET, or Naval Air Facility Detroit (MI). It may have been used in a dual engine aircraft (such as the PBY Catalina or PBM Mariner), or paired with another in a four engine