Designation:D7592−15aAnAmericanNationalStandardStandardSpecificationforSpecificationforGrade94UnleadedAviationGasolineCertificationandTestFuel1ThisstandardisissuedunderthefixeddesignationD7592;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversformulatingspecificationsforpurchasesofaviationgasolineundercontractandisintendedprimarilyforusebypurchasingagencies.1.2Thisspecificationdefinesaspecifictypeofaviationgasolinethatcontainsnolead.Itdoesnotincludeallgasolinessatisfactoryforreciprocatingaviationengines.Certainequip-mentorconditionsofusemaypermitawider,orrequireanarrower,rangeofcharacteristicsthanisshownbythisspecification.1.3Thisspecification,unlessotherwiseprovided,prescribestherequiredpropertiesofunleadedaviationgasolineatthetimeandplaceofdelivery.1.4Thecurrentpurposeforthefuelspecifiedhereinisforcertificationandtestingofanengineandenginecomponents.1.5TheUL94standardistobeusedforenginecalibrationandFAAcertification.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.ReferencedDocuments2.1ASTMStandards:2D86TestMethodforDistillationofPetroleumProductsatAtmosphericPressureD130TestMethodforCorrosivenesstoCopperfromPetro-leumProductsbyCopperStripTestD323TestMethodforVaporPressureofPetroleumProducts(ReidMethod)D357MethodofTestforKnockCharacteristicsofMotorFuelsBelow100OctaneNumberbytheMotorMethod;ReplacedbyD2700(Withdrawn1969)3D614MethodofTestforKnockCharacteristicsofAviationFuelsbytheAviationMethod;ReplacedbyD2700(Withdrawn1970)3D873TestMethodforOxidationStabilityofAviationFuels(PotentialResidueMethod)D910SpecificationforLeadedAviationGasolinesD1094TestMethodforWaterReactionofAviationFuelsD1298TestMethodforDensity,RelativeDensity,orAPIGravityofCrudePetroleumandLiquidPetroleu...
