DOD-G-24508A (NAVY) Grease, High Performance, Mult

METRICDOD-G-24508A(NAVY)AMENDMENT423September1998SUPERSEDINGAMENDMENT312March1987MILITARYSPECIFICATIONGREASE,HIGHPERFORMANCE,MULTIPURPOSE(METRIC)ThisamendmentformsapartofDOD-G-24508A(NAVY),dated6May1977,andisapprovedforusewithintheNavalSeaSystemsCommand,DepartmentoftheNavyandisavailableforusebyallDepartmentsandAgenciesoftheDepartmentofDefense.PAGE12.1.2:Addasnewparagraph:“2.1.2OtherGovernmentdocument.ThefollowingotherGovernmentdocumentformsapartofthisdocumenttotheextentspecifiedherein.Unlessotherwisespecified,theissueshallbetheoneineffectonthedateofthesolicitation.DEPARTMENTOFLABORCodeofFederalRegulations,Title29,Part1910,Section1200-HazardCommunicationsStandard.(ApplicationforcopiesshouldbeaddressedtotheSuperintendentofDocuments,GovernmentPrintingOffice,Washington,DC20402.)Atbottomofpage:Deleteandsubstitutebeneficialcommentsstatement.“Beneficialcomments(recommendations,additions,deletions)andanypertinentdatawhichmaybeofuseinimprovingthisdocumentshouldbeaddressedto:Commander,NavalSeaSystemsCommand,SEA03R42,2531JeffersonDavisHwy.,Arlington,VA22242-5160byusingtheStandardizationDocumentImprovementProposal(DDForm1426)appearingattheendofthisdocumentorbyletter.”PAGE23.1,line1:Delete“Grease”andsubstitute“Thegrease”.3.2:Addaslastsentence:“ThisgreaseshallbeofsuchmaterialastonotrequireadditionalcontainerlabelinginaccordancewithCFR,Title29,Part1910,Section1200.”AMSCN/AFSC9150DISTRIBUTIONSTATEMENTA.Approvedforpublicrelease;distributionisunlimited.1of12DOD-G-24508A(NAVY)AMENDMENT42*3.2.1:Addasnewparagraph:“3.2.1Toxicchemicals,hazardoussubstances,andozonedepletingsubstances(ODSs).Themultipurposegreaseshallhavenoadverseeffectonthehealthofpersonnelwhenusedforitsintendedpurpose.Theastobeanannoyancetopersonnelduringitsintendeduse.Theuseofanytoxicchemical,hazardousmaterialorozonedepletingchemicalshallbeavoided.Tothegreatestextentpossible,requirementsforreplacementchemicalsshallbestatedintermsofperformanceratherthanspecifyinganychemicalorsubstanceandshallcomplywithlocal,stateandfederalregulations(see6.2and6.9).*3.2.1.1Off-gas.Thematerialshallbeusableonboardshiporsubmarine.Materialsconsideredforsubmarineuseshallbeapprovedinaccordancewiththerequirementsof4.7.*3.2.2:Deleteinitsentirety.PAGE33.14:Deleteandsubstitute:“3.14Loadwearindex.Theloadwearindexofthegreaseshallbenotlessthan30kilogramswhentestedasspecifiedin4.5.1.”3.19Deleteandsubstitute:“3.19Performancelife.Thegreaseshalllubricateasize315radialballbearingsatisfactorilyat149oC(300oF)whentestedasspecifiedin4.5.2.1andcomparedwithNavyReferenceGreaseZ-1.3.20:Deleteandsubstitute:“3.20Bearingtemperatureliferiseandgreaseleakage.Thegrease,whentestedasspecifiedin4.5.2.2,shallnotshowamaximumtestbearingtemperaturerisegreaterthen56oC(100oF)norasteady-statebearingtemperaturerisegreaterthan14oC(25oF)averageandnosinglesteady-statetemperaturerisegreaterthan17oC(30oF),norgreaseleakagegreaterthan0.1gram.”3.25.1,line1:Delete“4.5.1”andsubstitute“4.5.4.”3.25.2,line1:Delete“4.5.4”andsubstitute“4.5.1”.PAGE5TableI,under“TEST”column:Delete“oxidationandtester”andsubstitute“oxidationtester”.PAGES5,6and74.5.2.1.1through4.5.2.1.4.1.4:Deleteandsubstitutethefollowing:“4.5.2.1.1Apparatus.Theapparatusshallbeasshownonfigure1andshallconsistofthefollowing:DOD-G-24508A(NAVY)AMENDMENT43(a)Testspindlesupportedinacastironhousingbytwoauxiliarybearings.(b)A1hpmotordrivesthetestspindlebymeansofaflat2inchwidebelttogivethespindleaspeedof3600+50revolutionsperminute(r/min).(c)Electricallyheatedovenwithatemperaturecontrollercapableofmaintainingthetemperatureofthetestbearingwithinplusorminus1.7oC(plusorminus3oF)ofthechosentemperature.Theovenshallhavetwoseparateheaters.Oneheateroperatescontinuosly;itisconnectedtoamanuallysetvariablevoltagetransformerforprovidinganyvoltagefrom0to100percentoflinevoltagetothisheater.Thesecondheaterisconnectedinserieswiththetemperaturecontrollerthusgivingintermittentheatingwiththisheater.(d)Testbearing;singlerow,radial,deepgrove,singleshielded,withpressedsteelretainer,size315,NT3,inaccordancewithMIL-B-17931,heatstabilizedto149oC(300oF),enclosedinahousingandmountedonaverticaltestspindle.Aradialloadof685.0newtons(N)(1540pounds)isappliedtothebearingbyaspringmountedoutsidetheoven.Detailsofthebearinghousinganditscovershallbeasshownonfigures2aand2b.(e)Temperaturecontroller(forheateractuation)maintainingaplusorminus1.7oC(3oF)ofsettemperature.(f)Temperaturerecorder;torecordouterracetemperatureoftestbearingineachtestunit.(g)Greasegun,handheld,screwtypewithanapplicatortubehavinga3/32inchminimuminsidediameter.(h)Ultrasoniccleanerwithheaterforcleaningtestbearing.(i)Balance,toploading,4000gramcapacity,plusorminus0.05gramaccuracy.*“4.5.2.1.2Cleaningmaterial.Deleteandsubstitute:“4.5.2.1.2Cleaningmaterial.ElectronSolvent(NSN6850-01-375-5553[6-gallonpail],NSN6850-01-375-5554[1-galloncan])orequivalentaliphatichydrocarbonterpenemixture.”4.5.2.1.3Preparation.Forpregreasedtestbearings,removegreasefrombearingusingnarrowbladenonmetallicspatula.Alltestbearingsarethencleanedasfollows.Thetestbearingisplacedinanultrasonic