Designation:D5657−07(Reapproved2014)StandardTestMethodforFluidTightnessAbilityofAdhesivesUsedonThreadedFasteners1ThisstandardisissuedunderthefixeddesignationD5657;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheabilityofadhesivesusedforlockingandsealingthreadedfasteners,tomakeleak-tightassemblies.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D907TerminologyofAdhesives2.2SAEStandard:SAEJ429MechanicalandMaterialRequirementsforExter-nallyThreadedFasteners32.3FederalSpecification:FF-N-836Nut:Square,Hexagon,Cap,Slotted,Castle,Knurled,WeldingandSingleBallSeat43.Terminology3.1Definitions:3.1.1ManyofthetermsinthistestmethodaredefinedinTerminologyD907.4.SummaryofTestMethod4.1Thistestmethodconsistsofsubjectinganadhesive-curednut-and-boltassemblyto50-psipressureanddetermin-ingthecuredadhesive’sabilitytomaketheassemblyleak-tight.5.SignificanceandUse5.1Thread-lockingadhesivesareoftenusedonthreadedfastenersinsealingapplications.Thistestmethodisusedtodetermineanadhesive’sabilitytoprovidesealingcapabilitiesunderspecifiedconditions.6.Apparatus6.1TestFixture,asshowninFig.1,consistingofthefollowing:6.1.1PressureVessel,providedwithameansoffillingwithsoapywater,capableofapplying,withstanding,andmeasuring50-psi(345-kPa)pressureofsoapywater,andequippedwithanairinletandagageforsupplyingandreadingthepressure.6.1.2MetalPlate,flat,smoothapproximately1⁄2in.(12.7mm)thick,drilledwitha3⁄8-in...
