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        <identifiers>
          <isin value="US7170811035"/>
        </identifiers>
        <balance>685700.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24637201.00000000</valUSD>
        <pctVal>2.828190895231</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Intel Corp</name>
        <lei>KNX4USFCNGPY45LOCE31</lei>
        <title>Intel Corp</title>
        <cusip>458140100</cusip>
        <identifiers>
          <isin value="US4581401001"/>
        </identifiers>
        <balance>493000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25404290.00000000</valUSD>
        <pctVal>2.916247737630</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Johnson &amp; Johnson</name>
        <lei>549300G0CFPGEF6X2043</lei>
        <title>Johnson &amp; Johnson</title>
        <cusip>478160104</cusip>
        <identifiers>
          <isin value="US4781601046"/>
        </identifiers>
        <balance>191000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24711580.00000000</valUSD>
        <pctVal>2.836729122061</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Halliburton Co</name>
        <lei>ENYF8GB5SMQZ25S06U51</lei>
        <title>Halliburton Co</title>
        <cusip>406216101</cusip>
        <identifiers>
          <isin value="US4062161017"/>
        </identifiers>
        <balance>1282200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24169470.00000000</valUSD>
        <pctVal>2.774498409805</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Allstate Corp/The</name>
        <lei>OBT0W1ED8G0NWVOLOJ77</lei>
        <title>Allstate Corp/The</title>
        <cusip>020002101</cusip>
        <identifiers>
          <isin value="US0200021014"/>
        </identifiers>
        <balance>270300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29376204.00000000</valUSD>
        <pctVal>3.372197705788</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Merck &amp; Co Inc</name>
        <lei>4YV9Y5M8S0BRK1RP0397</lei>
        <title>Merck &amp; Co Inc</title>
        <cusip>58933Y105</cusip>
        <identifiers>
          <isin value="US58933Y1055"/>
        </identifiers>
        <balance>302800.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25489704.00000000</valUSD>
        <pctVal>2.926052710895</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Cisco Systems Inc</name>
        <lei>8E6NF1YAL0WT6CWXXV93</lei>
        <title>Cisco Systems Inc</title>
        <cusip>17275R102</cusip>
        <identifiers>
          <isin value="US17275R1023"/>
        </identifiers>
        <balance>503200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24863112.00000000</valUSD>
        <pctVal>2.854124012931</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Abbott Laboratories</name>
        <lei>HQD377W2YR662HK5JX27</lei>
        <title>Abbott Laboratories</title>
        <cusip>002824100</cusip>
        <identifiers>
          <isin value="US0028241000"/>
        </identifiers>
        <balance>304600.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25485882.00000000</valUSD>
        <pctVal>2.925613970082</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ConocoPhillips</name>
        <lei>WPTL2Z3FIYTHSP5V2253</lei>
        <title>ConocoPhillips</title>
        <cusip>20825C104</cusip>
        <identifiers>
          <isin value="US20825C1045"/>
        </identifiers>
        <balance>401700.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22888866.00000000</valUSD>
        <pctVal>2.627493375702</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Marsh &amp; McLennan Companies Inc</name>
        <lei>549300XMP3KDCKJXIU47</lei>
        <title>Marsh &amp; McLennan Cos Inc</title>
        <cusip>571748102</cusip>
        <identifiers>
          <isin value="US5717481023"/>
        </identifiers>
        <balance>269000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>26913450.00000000</valUSD>
        <pctVal>3.089489518279</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Dollar Tree Inc</name>
        <lei>549300PMSTQITB1WHR43</lei>
        <title>Dollar Tree Inc</title>
        <cusip>256746108</cusip>
        <identifiers>
          <isin value="US2567461080"/>
        </identifiers>
        <balance>259500.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29624520.00000000</valUSD>
        <pctVal>3.400702772185</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>American International Group Inc</name>
        <lei>ODVCVCQG2BP6VHV36M30</lei>
        <title>American International Group Inc</title>
        <cusip>026874784</cusip>
        <identifiers>
          <isin value="US0268747849"/>
        </identifiers>
        <balance>505400.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>28150780.00000000</valUSD>
        <pctVal>3.231526977827</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Cardinal Health Inc</name>
        <lei>CCU46N3GJMF4OK4N7U60</lei>
        <title>Cardinal Health Inc</title>
        <cusip>14149Y108</cusip>
        <identifiers>
          <isin value="US14149Y1082"/>
        </identifiers>
        <balance>529300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24977667.00000000</valUSD>
        <pctVal>2.867274184007</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Archer-Daniels-Midland Co</name>
        <lei>549300LO13MQ9HYSTR83</lei>
        <title>Archer-Daniels-Midland Co</title>
        <cusip>039483102</cusip>
        <identifiers>
          <isin value="US0394831020"/>
        </identifiers>
        <balance>542300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22272261.00000000</valUSD>
        <pctVal>2.556711120569</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Conagra Brands Inc</name>
        <lei>54930035UDEIH090K650</lei>
        <title>Conagra Brands Inc</title>
        <cusip>205887102</cusip>
        <identifiers>
          <isin value="US2058871029"/>
        </identifiers>
        <balance>866933.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>26597504.44000000</valUSD>
        <pctVal>3.053221016992</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2019-10-28</ncom:dateSigned>
      <ncom:nameOfApplicant>NORTHWESTERN MUTUAL SERIES FUND INC</ncom:nameOfApplicant>
      <ncom:signature>Barbara Courtney</ncom:signature>
      <ncom:signerName>Barbara Courtney</ncom:signerName>
      <ncom:title>Controller and Chief Accounting Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
