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1、METRIC/INCH-POUNDNationalAeronauticsandNASA-SPEC-5004ASpaceAdministrationAUGUST25,2003WELDINGOFAEROSPACEGROUNDSUPPORTEQUIPMENTANDRELATEDNONCONVENTIONALFACILITIESNASATECHNICALSPECIFICATIONAPPROVEDFORPUBLICRELEASE–DISTRIBUTIONUNLIMITEDNASA-SPEC-5004AAu
2、gust25,2003DOCUMENTHISTORYLOG,NASA-STD-5004AStatus(Baseline/DocumentEffectiveDescriptionRevision/RevisionDateCanceled)Baseline2-2-1999BaselineReleaseRevisionA8-25-2003RevisedasindicatedbelowRevisionconsistofupdatestoofficecodes,updateinformationconce
3、rningviewinganddownloadingNASAStandards,updatingApplicableDocuments,andminoreditorialchanges.iNASA-SPEC-5004AAugust25,2003ThisPageLeftBlankIntentionallyiiNASA-SPEC-5004AAugust25,2003FOREWORDThisspecificationisapprovedforusebyNASAHeadquartersandallNAS
4、ACentersandisintendedtoprovideacommonframeworkforconsistentpracticesacrossNASAprograms.Thisspecificationwasdevelopedtoestablishuniformengineeringpracticesandmethodsandtoensuretheinclusionofessentialcriteriaintheweldingofgroundsupportequipment(GSE)use
5、dbyorforNASA.ThespecificationwaspreparedbytheintercentercommitteeonmaterialsandprocessesandapprovedbytheEngineeringManagementCouncil(EMC).ThisspecificationisapplicabletoGSEthatsupportsspacevehicleorpayloadprogramsorprojectsandtocriticalnonconventiona
6、lfacilities,whereapplicable.ThisspecificationestablishespreferredpracticesfortheweldingofGSEusedbyorforNASAprogramsandprojects.Thisspecificationisrecommendedforthedesignofnonflighthardwareusedtosupporttheoperationsofreceiving,transportation,handling,
7、assembly,inspection,test,checkout,service,andlaunchofspacevehiclesandpayloadsatNASAlaunch,landing,orretrievalsites.Thesecriteriaandpracticesmaybeusedforitemsusedatthemanufacturing,development,andtestsitesupstreamofthelaunch,landing,orretrievalsites.T
8、hisspecificationmaybecitedincontractsandprogramdocumentsasatechnicalrequirementorasareferenceforguidance.Determiningthesuitabilityofthisspecificationanditsprovisionsistheresponsibilityofprogram/projectmanagementandtheperformingorganization.Individual