MIL-DTL-24643.65-2007 DETAIL SPECIFICATION SHEET C

INCH-POUNDMIL-DTL-24643/651March2007DETAILSPECIFICATIONSHEETCABLE,ELECTRICAL,TYPELS3C179DT(INCLUDINGVARIATIONLS6C179DT)ThisspecificationisapprovedforusebyallDepartmentsandAgenciesoftheDepartmentofDefense.TherequirementsforacquiringtheproductdescribedhereinshallconsistofthisspecificationsheetandMIL-DTL-24643.Thiscablecanbemanufacturedintwovariations:LS3C179DT(threeinternalcoaxialcables)andLS6C179DT(sixinternalcoaxialcables).REQUIREMENTS:QualificationRequired.Construction(Non-Watertight)First-Copperconductor,uncoated,inaccordancewithASTMB286,0.0122-inchdiameter.Second-Thermosetinsulation,diameter0.056inchnominal.Third-Lightbondedaluminumfoil-polyestertape,aluminumfoilshield.Foilincontactwithbraid.Fourth-Braidedshieldof38AWGtin-coatedcopper:minimumcoverage95percent,diameter0.079inchnominal.Fifth-Cross-linkedpolyolefinjacket.Diameter0.100±0.005inch.Sixth-Therequirednumberofcoaxialcablescabledtogetherwithalayinaccordancewith3.4.9ofMIL-DTL-24643.Fillersshallbeusedasnecessarytomakeafirm,well-roundedassembly.Seventh-Anoptionalbindertapeappliedhelicallywithoverlap.Eighth-Tinnedcopperbraid,36gage,90percentcoverage.Ninth-Cross-linkedpolyolefinjacket.Minimumthicknessof0.040inch.AMSCN/AFSC6145Source::36ZCheckthesourcetoverifythatthisisthecurrentversionbeforeuse.MIL-DTL-24643/65TABLEI.Details.OverallDiameter(inches)MilitaryPartNo.M24643/XXSizeNumberofCoaxesDiameteroverShield(inchesnominal)CableJacketThicknessMin.Avg.(inches)Min.Max.ColdBendMandrelDiameter(inches)-01UO330.2400.0470.3350.3654.0-02UO660.3250.0500.4250.4555.0EXAMINATIONANDTESTS:BasicElectricals:Conductorresistance(ohms/1000feetat25°C,max.)110Voltagewithstand(volts,rootmeansquare,min.)Conductortoconductor2000Conductortoshield1000Insulationresistance(megohms/1000feet,min.)Conductortoconductor500Conductortoshield500JacketflawsNoFailureConductorandshieldcontinuityNoFailureGroupA:VisualanddimensionalNoFailureCharacteristicimpedance(ohms)75±5(TDRmethodinaccordancewithcharacteristicimpedanceofMIL-DTL-17)GroupB:Thermosetprooftest(percent,max.)Overalljacket50Coldbending,cablemandreldiameter12timescablediameterNoDamageBendingendurance–at25+2°C(cycles,min.)25Tear(poundsperinchthickness,min.)(ASTMD470)35Physicals(unaged)InsulationTensilestrength(lb/in2,min.)600Elongation(percent,min.)200Jacket(component)2Source::36ZCheckthesourcetoverifythatthisisthecurrentversionbeforeuse.MIL-DTL-24643/65Tensilestrength(lb/in2,min.)1000Elongation(percent,min.)100Jacket(cable)Tensilestrength(lb/in2,min.)1300Elongation(percent,min.)160GroupC:Physicals(aged)InsulationAirovenTensilestrength(percentofunaged,min.)80Elongation(percentofunaged,min.)80Jacket(components)AirovenTensilestrength(percentofunaged,min.)60Elongation(percentofunaged,min.)60Jacket(cable)AirovenTensilestrength(percentofunaged,min.)60Elongation(percentofunaged,min.)60ShrinkageNoFailureHeatdistortion(percentofunaged,max.)30Permanenceofprinting(jacket)(cycles,min.)125GroupD:Flamepropagation(cable)NoFailureQualificationInspection:Qualificationinspectionshallincludebasicelectricals,groupsA,B,C,andD,plusthefollowing:Agingstability(cable)(98±2°C)NoFailure(TestinaccordancewithagingstabilityofMIL-DTL-17)Dimensionalstability(cable)(85±2°C)NoFailure(TestinaccordancewithdimensionalstabilityofMIL-DTL-17)Abrasionresistance(overalljacket)(scrapes,min.)75Acidgasequivalent(percent,max.)Jacket(componentandoverall)23Source::36ZCheckthesourcetoverifythatthisisthecurrentversionbeforeuse.MIL-DTL-24643/65Fillers2Insulation18Shieldinsulation2Halogencontent(percent,max.)Jacket(componentandoverall)0.2Fillers0.2Immersion(jacket)Tensilestrength(percentofunaged,min.)50Elongation(percentofunaged,min.)50Smokeindex,max.Jacket(componentandoverall)25Fillers45Insulation45Toxicityindex,max.Jacket(componentandoverall)5Fillers5Insulation1.5Durometer(overalljacket)–TypeA(hardness,min.)80Weathering(overalljacket)NoFailureUNITORDERINGLENGTHS:Allsizes500feet(nominal).Custodians:PreparingActivity:Army–MINavy–SHNavy–SH(Project6145-2006-069)ReviewActivities:Army–AR,AV,CRNavy–CG,ECDLA–ISNOTE:Theactivitieslistedabovewereinterestedinthisdocumentasofthedateofthisdocument.Sinceorganizationsandresponsibilitiescanchange,youshouldverifythecurrencyoftheinformationaboveusingtheASSISTOnlinedatabaseat://:36ZCheckthesourcetoverifythatthisisthecurrentversionbeforeuse.