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1 00-P-416Fi October1991 SUPERSEDING~-P-416E18 Aprtl1986 FEDERALSPECIFICATIONPLATING,CADMIUM(ELEC TRODEPOSITED)Thisspecificationhasbeenapp rovedbytheCommissioner,FederalSupplyServ ice,GeneralServicesAdminlstratlon, ,asspecified( ) ( )111-Withsupplementaryphosphatetreatment ( ) ~ ,theissuesofthesedocumentsarethoselisted intheissueoftheDepartmentofDefenseIndexo fSpecificationsandStandards(0001SS)andsu pplementthereto,citedinthesolicitation( ).Beneficialcomments(recommendations,add itions,deletions)andanypertinentdatawhic hmaybeofuseInimprovingthisdocumentshould beaddressedto:NavalAirEngineeringCenter, SystemsEngineeringandStandardizationDepa rtment(Code5312),Lakehurst,NJ08733-5100, byusingtheattachedStandardizationDocumen tImprovementProposal(DDForm1426).

2 Distributionisunlimited,QQ-P-416 FSPECIFICATIONSFEDERALTT-C-490-MILITARYM IL-S-5000-MIL-S-5002-MIL-S-8844-MIL-C-81 562-STANDARDSFEDERALFED-STD-151-t41 LITARYMIL-STD-105 MIL-STD-1312-1 MIL-STD-MIL-STD-MIL-STD-312-5312-12312-1 4 CleaningMethodsForFerrousSurfacesandPret reatmentsForOrganicCoatingsSteel,Chrome- Nickel-Molybdenum,(E4340),BarsandReforgi ngStockSurfaceTreatmentsandInorganicCoat ingsforMetalSurfacesofHeaponsSystemsStee lBars,ReforgingStock,andMechanicalTubing ,LOWA lloy,PremiumQualltyCoating,Cadmium,TinCa dmiumandZinc(MechanicallyDeposited)Metal s;TestMethodsSamplingProcedureandTablesf orInspectionbyAttributesFastenerTestMeth ods-Method1,SaltSprayFastenerTestMethods -Method5,StressDurabilityFastenerTestMet hods-Method12,ThicknessofMetallicCoating sFastenerTestMethods-Method14,StressDura bility(InternallyThreadedFasteners)(Unle ssotherwiseindicated,copiesoffederalandm ilitaryspecifica-tionsandstandardsareava ilablefr&ntheStandardizationDocumentsOrd erDesk,Building4D,700 RobblnsAvenue,Philadelphia,PA19111-5094. )

3 , ,theissuesofdocumentsnotlistedintheDODIS S aretheissuesofthedocumentscitedinthesoli citation( ).AMERICANSOCIETYFORTESTINGANDMATERIALS( ASTM)ASTM8117-SaltSpray(Fog)TestingASTM6 244-MeasurementofThicknessofAnodicCoatin gsonAlum~numandofotherNonconductiveCoati ngsonNonmagneticBasisMetalswithEddy-Curr entInstrumentsASTM6487-MeasurementofMeta landOxideCoatingThicknessesbyMicroscopic alExaminationofaCrossSection7L(&P-416 FASTM8499-MeasurementofCoatingThicknesse sbytheMagneticMethod:NonmagneticCoatings onMagneticBasisMetalsASTM8504-Measuremen tofThicknessofMetallicCoatingsbytheCoulo metricMethodASTMB567-MeasurementofCoatin gThicknessbytheBetaBackscatterMethodASTM B568-MeasurementofCoatingThicknessbyX-Ra ySpectrometryASTME8-TensionTestingofMeta llfcMater~als(Applicationforcopiesshould beaddressedtotheAmericanSocietyforTestin gandMaterials(ASTM),1916 RaceStreet,Philadelphia,PA19103-1187.))

4 ( ) , ,however, ( ),partshavinganultimatetensilestrengthof greaterthan200ksi(orttRC43) ( ),partswhichhavebeenmachined,ground,cold formed,orcoldstraightenedafterheattreatm ent,shallreceiveastressrelieftreatmentin accordancewithTableIorTableIA,asapplicab le,priortoshotpeening,cleaning, , ( ), (orHRC36)orabove,shallbecleanedinaccorda ncewithMIL-S-5002 (picklingIsnotpermitted). (reverse) (direct) operations,thearticle, ( ),theIbeappliedafterallbasismetalheattre atmentsandmechanicalsuchasmachining,braz ing,welding,forming, ( ),cadm~umshalldirectlyonthebasismetalwit houtapreliminaryplatingofothermetal,exce ptinthecaseofpartsmadeofcorrosionresista ntalloysonwhichapreliminaryplatingofnick elorcoppermaybenecessary,oronpartsmadeof aluminumonwhichapreliminarytreatment,suc hasthezincateprocess, ( ), ,includingrootsofthreads,corners, ( ),theuseofbrighteningagents,orotheraddit iveswhichproducebrighteneddeposits,inthe platingsolutionisprohibitedoncomponentsw ithanultimatetensilestrengthof160ksi(ori iRC36) (notcausedbybrighteningagents)ordulllust ershallbeacceptable( ).

5 ,trackrollerstuds,andendwashersofneedlet rackrollerbearings,theamountofbrighten-e raddedtotheplatingbathshallbelimitedto20 % ( ),orstatedintheendproductspecificationor drawing,allpartsshallbebakedwithin4hours aftertheplatingoperationiscompletedasspe cifiedinTableIorTableIA, , ( ). ( ),thecadmiumplatingshallbeTypeIIonpartst hatwillnotsubsequentlybecompletelycoated andTypeIIIonpartsthatwillsubsequentlybec ompletelycoated( ). ( ),thechromatetreatmentrequ~redforconvers iontoTypeIIshallbeatreatmentinorwithanaq ueoussolutionofsalts,acids,orboth,toprod uceacontinuoussmooth,distinctprotectivef ilm,distinctlycolorediridescentbronzetob rowninclud~ngolivedrab,yellow, ( ), ( ), , ,itshallbeClass2,ForTypes11andIII, ,includingpartswithinternalthreads, ,themethodofprotectionshallbespecified( ).

6 ,theplatingshallnotshowseparationfromthe basismetalnorfromanyunderplayingattheint erface, ,theunderplateorcombinationofbothwhichdo notresultinflaklng, ( )shallnotshowwhitecorrosionproductsofcad mium,pitting, ,exceptthatwhitecorrosionproductsattheed gesofspecimens( ) ,hydrogenembrittlementtestingisrequiredf orpartsheattreatedto160ksi(orHRC36)orabo ve,butisnotrequiredforbearings,exceptrod endbearingbodies,trackrollerbearingstuds , , , ,State,andlocalguide~~nes( ). ,adherent,uniformpits,nodules,burning, , ,whichhasbeendemonstratedasresultingfrom rinsing, ,thecontractorisresponsiblefortheperform anceofallinspectionrequirements(examinat ionsandtests) ,thecon-tractormayusehisownoranyotherfac ilitiessuitablefortheperformanceoftheins pectionrequirementsspecifiedherein, ,aspartofmanufacturingoperations,isanacc eptablepracticetoascertainconformancetor equirements,however,thisdoesnotauthorize submissionofknowndefectivematerial,eithe rindicatedoractual, ( ).

7 ( ) ( ) ( ) ,showingalladditionsofchemicalsortreatme ntsolutionstotheunit, ,suchrecords,aswellasreportsofthetestres ults,shallbemadeavail-able, , , , , , , ,theyshallbestripsapproximately1inchwide ,4incheslong, ,theyshallbepanelsnotlessthan6inchesInle ngth,4tnchesInwidth, ,oneormoreheatsofalloysteel4340conformin gtoMIL-S-5000orMIL-S-8844,Classi,orthesa mematerialasthepartbeingrepresented, ~ (Lotbylotinspection). ,method520(electronictest),ASTM6499(magn etictest),ASTMB244(eddycurrent),ASTM6567 (testbybetaradiationbackscatterprinciple )orASTM6568(X-rayspectrometry) ,proceduresInaccordancewithASTM6487(micr oscopic)orASTM6504(coulometric) , ,TypesIIandIII, , (apasteoflevigatedaluminarubbedonwiththe finger).Thephosphatecoatingmayberemovedf romtheType111coatingbyimmersingthespecim enina10percentsolutionofNaOHandscrubbing witharubberpoliceman(usuallytakesfrom10t o15minutes).

8 (Productioncontroltest).Adhesionshallbed eterminedbyscrapingthesurfaceorshearingw ithasharpedge,knife, , , resforTo\pre-plating,cleaning,andplating pro~esses,aswellasthematerials, (Productioncontroltest).Corrosionstances hallbeconductedinaccordancewithASTMB117( saltsDravtest)96hoursor,forfastenerhardw are,inaccordancewithMIL-STD~ , ( ) , ,000poundsorreasonableloadlimitsoftesteq uipment, ,thenotchedspecimenprocedure( ) ,trackrollerbearingstuds,andendwashersof needletrackrollerbearingsshallbeeitherth eplatedbearingcomponentornotchedspecimen s, soption, ,lockrings,etc.,whichareinstalledinholes orrods, (ThissectionIsnotapplicabletothisspecifi cation.)NOTES(Thissectioncontainsinforma tionofageneralorexplanatorynaturemaybehe lpful,butisnotmandatory.)

9 Partsheat-treat~dto,orhavingultimatetens ilestrengthof160ksi(orHRC36)orgreater, F(232 C) , , ,suchaschainsandsprings,itmaybehelpfulto usethemechanicaldepositionmethodofcadmiu mplating.(ThisprocessiscoveredinMIL-C-81 562andASTM8696.)10 )onelectrodepositedcadmiumQQ-P-416 FTheprimepurposeofchromatefinishes(Typep latingsistoretardorpreventtheformationof whitecorrosionproductsonsurfacesexposedt ostagnantwater,highhumidityatmospheres,s altwater,marineatmospheres, (TypeII)shouldnotbeusedonplatedpartsthat willnotbecoatedandwhichwillbecontinuousl yexposedtotemperaturesinexcessof150 F(66 C)orinter-mittentlyexposedforshortperiod stotemperaturesofapproximately300 F(149 C) , (TypeII),whichinvolveonlydippinginchemic alsoluttons,normallyrequireasufficper~od ofdrying,approximately24hoursat70 Fto90 F(21eCto32 C),torenderthepartssuitableforhandlinqwi thoutdamaqetothecoatingwhileentngelatino usforms.

10 Anditisimportant-withsuchcoa~ (TypeIII) , ,number,anddateofthespecificationTypeand classrequired( , , )IssueofDODISS tobecitedinthesolicitation,andifrequired ,thespecificissueofindividualdocumentsre ferenced( )14henplatingistobeappliedandareastobeco vered,Ifotherthanspecified( , , )Stressrelieftreatment,ifotherthanspeci- fied( )Cleaningofsteel,ifotherthanspecified( )Underplatlngrequired,ifotherthanspecifi ed( )Lusterrequired,ifotherthanspectfied( )Hydrogenembrittlementrelieftreatment,if otherthanspecified( )Typeofchromatetreatmentrequiredforconve rsiontoTypeII,ifotherthanspecified-forex ample,colorless( )Typeofphosphatetreatmentrequtredforconv ersiontoTypeIII,ifotherthanspecified( )Thicknessofplating,ifotherthanspecified ( )LotHydrogenEmbrittlementtestingifrequir ed( )andsampling( ) (DID s)shouldbereviewedinconjunctionwiththesp ecificacquisitiontoensurethatonlyessenti aldataarerequested/providedandthattheDID ,aContractDataRequirementsList(DDForm142 3)mustbepre-paredtoobtainthedata, ,AcquisitionManagementSystemsandDataRequ irementsControlList(AMSOL),mustberesearc hedtoensurethatonlycurrent,clearedDID ( ).