Designation:B687−99(Reapproved2016)StandardSpecificationforBrass,Copper,andChromium-PlatedPipeNipples1ThisstandardisissuedunderthefixeddesignationB687;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforbrassandcopperpipenipplesinstandardpipesizesfrom1⁄8to8in.,inclusive,instandardlengths,andchromium-platedpipenipplesinstandardpipesizesfrom1⁄8to2in.,inclusive,instandardlengths.1.1.1Chromium-platedpipenipplesorderedunderthisspecificationareintendedforinterioruseindecorativeappli-cations.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B42SpecificationforSeamlessCopperPipe,StandardSizesB43SpecificationforSeamlessRedBrassPipe,StandardSizesB456SpecificationforElectrodepositedCoatingsofCopperPlusNickelPlusChromiumandNickelPlusChromiumB846TerminologyforCopperandCopperAlloysE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications2.2ANSI/ASMEStandard:B1.20.1PipeThreads,GeneralPurpose(Inch)32.3MilitaryStandard:MIL-STD-105SamplingProceduresandTablesforInspec-tionbyAttributes43.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsrelatingtocopperandcopperalloys,refertoTerminologyB846.4.OrderingInformation4.1Contractsandpurchaseordersforproductunderthisspecificationaretocontainthefollowinginformation:4.1.1AST...
