Designation:D3693−02(Reapproved2010)StandardSpecificationforLabeledLengthperHolderofSewingThread1ThisstandardisissuedunderthefixeddesignationD3693;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversrequirementsforthelabeledlengthsofsewingthreadsofallmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD204TestMethodsforSewingThreadsD3888TerminologyforYarnSpinningSystemsD3990TerminologyRelatingtoFabricDefectsD4849TerminologyRelatedtoYarnsandFibers3.Terminology3.1Definitions:3.1.1Fordefinitionsoftextiletermsusedinthisspecification,threadholderandsewingthread,refertoTermi-nologyD4849.3.1.2Forothertextiletermsusedinthisspecification,refertoTerminologystandardsD123,D3888,D3990,AndD4849.4.Requirements4.1Theaverageforallholdersshallequalorexceedthelabeledlength.4.2Forhomesewingspools,theobservedlengthofindi-vidualholdersshallequalorexceedthepercentoflabeledlengthshowninTable1.4.3Forready-madebobbins,theobservedlengthofindi-vidualholdersshallequalorexceed97%ofthelabeledlength.4.4Forallotherholders,whenthesamplesizeisnineorfewer,theobservedlengthofindividualholdersshallequalorexceed95%ofthelabeledlength.Forasamplesizeoftenormoretheobservedlengthofoneholdermaybelessthan95%ofthelabeledlength.4.5Iftheinitialsampleconsistsoffewerthantenholdersandtheaveragelengthmeasuredfailstoconformtotherequirementsof4.1butmeetsthoseof4.2,4.3,or4.4,asappropriate,takeadditionalspecimensfromthelotandtestuntilatotaloftenhavebeenmeasured.Reevaluatetheresultsofthesetenspecimensagainsttherequirementsof4.1,4.2,4.3,or4.4,asappropriate.Ifthenewaverageconformswiththerequirementsof4.1andtheindividualholderswiththerequirementsof4.2,4.3,o...
