content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <!-- Field: Pseudo-Tag; ID: Name; Data: JACOBSON MITCHELL -->
            <cik>0001008015</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001003078</issuerCik>
        <issuerName>MSC INDUSTRIAL DIRECT CO INC</issuerName>
        <secFileNumber>001-14130</secFileNumber>
        <issuerAddress>
          <com:street1>515 BROADHOLLOW ROAD</com:street1>
          <com:city>MELVILLE</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>11747</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>516-812-2000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JACOBSON MITCHELL</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
          <relationshipToIssuer>10% Owner</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>UBS Financial Services Inc</name>
          <address>
            <com:street1>1285 Avenue of the Americas</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10019</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>25000</noOfUnitsSold>
        <aggregateMarketValue>240000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>56400388</noOfUnitsOutstanding>
        <approxSaleDate>01/31/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <acquiredDate>01/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Market</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>25000</amountOfSecuritiesAcquired>
        <paymentDate>01/31/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Mitchell Jacobson</name>
          <address>
            <com:street1>c/o MSC Industrial Direct Co Inc.</com:street1>
            <com:street2>515 BROADHOLLOW ROAD</com:street2>
            <com:city>MELVILLE</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>11747</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>01/22/2024</saleDate>
        <amountOfSecuritiesSold>93538</amountOfSecuritiesSold>
        <grossProceeds>9123948.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Mitchell Jacobson</name>
          <address>
            <com:street1>c/o MSC Industrial Direct Co Inc.</com:street1>
            <com:street2>515 BROADHOLLOW ROAD</com:street2>
            <com:city>MELVILLE</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>11747</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>01/26/2024</saleDate>
        <amountOfSecuritiesSold>18746</amountOfSecuritiesSold>
        <grossProceeds>1830158.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Mitchell Jacobson</name>
          <address>
            <com:street1>c/o MSC Industrial Direct Co Inc.</com:street1>
            <com:street2>515 BROADHOLLOW ROAD</com:street2>
            <com:city>MELVILLE</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>11747</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>01/29/2024</saleDate>
        <amountOfSecuritiesSold>137716</amountOfSecuritiesSold>
        <grossProceeds>13448870.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>Securities to be sold were acquired in open market transactions and paid for on various dates prior to 01/31/2024</remarks>
      <noticeSignature>
        <noticeDate>01/31/2024</noticeDate>
        <signature>/s/ J. Robert Small, Attorney-in-Fact for Mitchell Jacobson</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5094}]
text: 144
  0001008015
  XXXXXXXX
  LIVE
  0001003078
  MSC INDUSTRIAL DIRECT CO INC
  001-14130
  515 BROADHOLLOW ROAD
  MELVILLE
  NY
  11747
  516-812-2000
  JACOBSON MITCHELL
  Director
  10% Owner
  Class A Common Stock
  UBS Financial Services Inc
  1285 Avenue of the Americas
  New York
  NY
  10019
  25000
  240000.00
  56400388
  01/31/2024
  NYSE
  Class A Common Stock
  01/31/2024
  Open Market Purchase
  Market
  N
  25000
  01/31/2024
  Cash
  N
  Mitchell Jacobson
  c/o MSC Industrial Direct Co Inc.
  515 BROADHOLLOW ROAD
  MELVILLE
  NY
  11747
  Class A Common Stock
  01/22/2024
  93538
  9123948.00
  Mitchell Jacobson
  c/o MSC Industrial Direct Co Inc.
  515 BROADHOLLOW ROAD
  MELVILLE
  NY
  11747
  Class A Common Stock
  01/26/2024
  18746
  1830158.00
  Mitchell Jacobson
  c/o MSC Industrial Direct Co Inc.
  515 BROADHOLLOW ROAD
  MELVILLE
  NY
  11747
  Class A Common Stock
  01/29/2024
  137716
  13448870.00
  Securities to be sold were acquired in open market transactions and paid for on various dates prior to 01/31/2024
  01/31/2024
  /s/ J. Robert Small, Attorney-in-Fact for Mitchell Jacobson