Designation:D910−21AnAmericanNationalStandardStandardSpecificationforLeadedAviationGasolines1ThisstandardisissuedunderthefixeddesignationD910;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversformulatingspecificationsforpurchasesofaviationgasolineundercontractandisintendedprimarilyforusebypurchasingagencies.1.2Thisspecificationdefinesspecifictypesofaviationgasolinesforciviluse.Itdoesnotincludeallgasolinessatisfactoryforreciprocatingaviationengines.Certainequip-mentorconditionsofusemaypermitawider,orrequireanarrower,rangeofcharacteristicsthanisshownbythisspecification.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D86TestMethodforDistillationofPetroleumProductsandLiquidFuelsatAtmosphericPressureD93TestMethodsforFlashPointbyPensky-MartensClosedCupTesterD130TestMethodforCorrosivenesstoCopperfromPetro-leumProductsbyCopperStripTestD323TestMethodforVaporPressureofPetroleumProducts(ReidMethod)D357MethodofTestforKnockCharacteristicsofMotorFuelsBelow100OctaneNumberbytheMotorMethod;ReplacedbyD2700(Withdrawn1969)3D381TestMethodforGumContentinFuelsbyJetEvapo-rationD614MethodofTestforKnockCharacteristicsofAviationFuelsbytheAviationMethod;ReplacedbyD2700(Withdrawn1970)3D873TestMethodforOxidationStabilityofAviationFuels(PotentialResidueMethod)D909TestMethodforSuperchargeRatingofSpark-IgnitionAvia...
