Designation:D975−22StandardSpecificationforDieselFuel1ThisstandardisissuedunderthefixeddesignationD975;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverssevengradesofdieselfuelsuitableforvarioustypesofdieselengines.Thesegradesaredescribedasfollows:1.1.1GradeNo.1-DS15—Aspecial-purpose,lightmiddledistillatefuelforuseindieselengineapplicationsrequiringafuelwith15ppmsulfur(maximum)andhighervolatilitythanthatprovidedbyGradeNo.2-DS15fuel.21.1.2GradeNo.1-DS500—Aspecial-purpose,lightmiddledistillatefuelforuseindieselengineapplicationsrequiringafuelwith500ppmsulfur(maximum)andhighervolatilitythanthatprovidedbyGradeNo.2-DS500fuel.21.1.3GradeNo.1-DS5000—Aspecial-purpose,lightmiddledistillatefuelforuseindieselengineapplicationsrequiringafuelwith5000ppmsulfur(maximum)andhighervolatilitythanthatprovidedbyGradeNo.2-DS5000fuels.1.1.4GradeNo.2-DS15—Ageneralpurpose,middledis-tillatefuelforuseindieselengineapplicationsrequiringafuelwith15ppmsulfur(maximum).Itisespeciallysuitableforuseinapplicationswithconditionsofvaryingspeedandload.21.1.5GradeNo.2-DS500—Ageneral-purpose,middledistillatefuelforuseindieselengineapplicationsrequiringafuelwith500ppmsulfur(maximum).Itisespeciallysuitableforuseinapplicationswithconditionsofvaryingspeedandload.21.1.6GradeNo.2-DS5000—Ageneral-purpose,middledistillatefuelforuseindieselengineapplicationsrequiringafuelwith5000ppmsulfur(maximum),especiallyinconditionsofvaryingspeedandload.1.1.7GradeNo.4-D—Aheavydistillatefuel,orablendofdistillateandresidualoil,foruseinlow-andmedium-speeddieselenginesinapplicationsinvolvingpredominantlycon-stantspeedandload.NOTE1—AmoredetaileddescriptionofthegradesofdieselfuelsisgiveninX1.2.NOTE2—TheSxxxdesign...