MIL-DTL-46162 Fuel, Diesel, Referee GradeThis specification covers two types of referee fuel \(see 1.2 and 6.1\) for use in research, development and verification testing of all compression-ignition engines, diesel-powered auxiliary units, gas turbine engine driven ground vehicles, mobile electric power generators, and other fuel handling supply items designed to operate with either fuel conforming to A-A-52557 or MIL-DTL-83133.