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MIL-I-38143 Revision D, August 15, 1986
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INDICATOR, RATE OF FLOW, FUEL
Includes all amendments and changes through Validation Notice 3, January 30, 2015
Additional Comments: INACTIVE FOR NEW DESIGN
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This specification covers the requirements for three types of integrally lighted indicators for indicating the flow rate of engine fuel in pounds per hour (pph) for three specific flow ranges. The indicator is a hermetically sealed synchro/servo receiver with a redundant counter/pointer display. The indicator may provide a voltage output signal proportional to the fuel flow rate and contains special damping provisions to attenuate small oscillatory transmitter output signals.

Indicators shall be of the following types, as specified (see 6.2):
                       Integral       Flow Rate
        Type           Lighting         (PPH)  

    EFU-22A/A          Red            0-80,000
    EFU-22A/A-2        Whit           0-80,000
    EFU-22A/A-7        White          0-80,000