NSN 4920-01-327-0509

Provides means to determine serviceability of aircraft having ac or dc capacitance-type fuel gaging systems; c/o one integral unit w/transit case,dc electrical resistance measuring circuitry,ac and dc capacitance measuring circuitry,capacitance substitution circuitry (simulates tank unit and compensator capacitance),calibration circuitry with built-in standards of capacitance,switches,wiring,cable assemblies,and accessories; operates from external power source and from self-contained battery; measures tank unit and compensator capacitance (ac and dc);measures tank unitand compensator insulation resistance.

Manufacturer part number 9057368-10 for national stock number 4920013270509.