Designation:F1470−12StandardPracticeforFastenerSamplingforSpecifiedMechanicalPropertiesandPerformanceInspection1ThisstandardisissuedunderthefixeddesignationF1470;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThroughoutthispracticethetermsdetectionandpreventionapplytoqualitycontrolsystems.Abriefdescriptionofbothisprovidedtoassistthepurchaserintheapplicationofthispractice.Thedetectionsystemreliesoninspectionastheprimarymeansofcontrollingthequalityoffurnishedmaterial.Methodsincludein-processandfinalinspection.In-processinspectionistypicallyperformedbytheindividualperformingtheprocessandgenerallyincludesafirst-pieceinspectionbysomeoneotherthantheoperator.Quality-controlinspectionmayperformauditinspectionsontheprocessoutputduringthecourseoftheproductionrun.Inaddition,afinalinspectionisperformedbyqualitycontrolinspectorsaccordingtoaprescribedsampleplan.Theothersampleplansutilizezerodefectsastheiracceptancecriteria.Thepreventionsystemusesadvancedqualityplanninginadditiontomanyofthetechniquesusedinthedetectionsystem.Qualityplanningincorporatesasystemsapproachtoqualitycontrolthatfocusesondefectpreventionandcontinualimprovement.Inaddition,StatisticalProcessControl(SPC)isusuallyappliedtocontroltheprocess,toachieveprocessstabilityandimprovethecapabilitybyreducingthevariability.ISO9001,ISO/TS16949,ASQQ9001,andGuideF26882qualitysystemstandards,oracombinationthereof,aremodelsthatmaybeusedinestablishingaprevention-basedqualitysystem.1.Scope*1.1Thispracticeprovidessamplingmethodsfordetermin-inghowmanyfastenerstoincludeinarandomsampleinordertodeterminetheacceptabilityordispositionofagivenlotoffasteners.1.2Thispracticeisformechanicalproperties,physicalproperties,performanceproperties,coatingrequirements,andotherqualityrequirementsspecifiedinthestandardsofASTMCom...
