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AMERICANNATIONALSTANDARDGeneralPurposeUniformCrossSectionSpiralRetainingRingsANSI827.6-1972SECRETARIATSOCIETYOFAUTOMOTIVEENGINEERSTHEAMERICANSOCIETYOFMECHANICALENGINEERSPUBLISHEDBYTHEAMERICANSOCIETYOFMECHANICALENGINEERSUnitedEngineeringCenter345East47thStreetNewYork,N.Y.10017REAFFIRMED2017Anypartofthisstandardmaybequoted.Creditlinesshouldread:"ExtractedfromAmericanNationalStandard-GeneralPurposeUniformCrossSectionSpiralRetainingRings,ANSIB27.6-1972,withthepermissionofthepublisher,TheAmericanSocietyofMechanical.Engineers,UnitedEngineeringCenter,345East47thStreet,NewYork,N.Y.10017,"Copyright@1972byTHEAMERICANSOCIETYOFMECHANICALENGINEERSPrintedinU.S.A.FOREWORDFormationofSubcommittee3wasauthorizedbyStandardsCommitteeB27atitsmeetingonNovember30,1950.OrganizationmeetingoftheSubcommitteewasheldonOctober24,1951atwhichtimeitwasagreedthatbearingretainerrings,ifincludedinthestandard,wouldconformwithpracticeofAnti-FrictionBearingManufacturersAssociationandthattechnicaldevelopmentwithintheSubcom­mitteewouldbelimitedtogeneralpurposeretainerrings.Subgroupswereap­pointedtoinvestigatematerials,adequacyoftheAFBMAbearingretainerringstandard,generalpurposeandaeronauticalringusage.Oneofthesubgroupspreparedadraftproposal,GeneralPurposeUniformSec­tionSpiralRetainingRing,whichwascirculatedtomembersofSubcommittee3onMay8,1970.ThenextmeetingoftheSubcommitteewasheldonFebruary4,1971atwhichtimechangesweremadetosatisfycommentsreceivedasaresultofthisballot.ItwasthenagreedtocirculatethereviseddraftproposaltotheANSIB27StandardsCommittee.TheletterballotwascirculatedonAugust17,1971.Allwhorespondedballotedaffirmative.Severaloftheaffirmativeballotsofferededitorialtypecomments.Eachcommentwascarefullyreviewedbyasub•groupandminornontechnicalchangesweremadetothedocument.TheStandardwasdulyapprovedbysponsorsandwassubmittedtotheAmericanNationalStandardsInstitutefordesignation,asanAmericanStandard.ThiswasgrantedonJuly11,1972.111AMERICANNATIONALSTANDARDSCOMMITTEEB27WashersandMachineRings(Thefollowingisthe...