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        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001244886</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



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    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001003078</issuerCik>
            <issuerName>MSC INDUSTRIAL DIRECT CO INC</issuerName>
            <secFileNumber>001-14130</secFileNumber>
            <issuerAddress>
                <ns2:street1>515 Broadhollow Road</ns2:street1>
                <ns2:street2>Suite 1000</ns2:street2>
                <ns2:city>Melville</ns2:city>
                <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                <ns2:zipCode>11747</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(516) 812-2000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>THE PHILIP R PELLER REVOCABLE TRUST</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>900</noOfUnitsSold>
            <aggregateMarketValue>80163.99</aggregateMarketValue>
            <noOfUnitsOutstanding>55903690</noOfUnitsOutstanding>
            <approxSaleDate>11/13/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>04/03/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Gift from Affiliate</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Philip Peller</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>Y</isGiftTransaction>
            <donarAcquiredDate>01/27/2022</donarAcquiredDate>
            <amountOfSecuritiesAcquired>774</amountOfSecuritiesAcquired>
            <natureOfPayment>NA</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>04/03/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Gift from Affiliate</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Philip Peller</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>Y</isGiftTransaction>
            <donarAcquiredDate>01/29/2022</donarAcquiredDate>
            <amountOfSecuritiesAcquired>126</amountOfSecuritiesAcquired>
            <natureOfPayment>NA</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/13/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Phillip Robert Peller</signature>
        </noticeSignature>
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144
0001244886
XXXXXXXX
LIVE
0001003078
MSC INDUSTRIAL DIRECT CO INC
001-14130
515 Broadhollow Road
Suite 1000
Melville
NY
11747
(516) 812-2000
THE PHILIP R PELLER REVOCABLE TRUST
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
900
80163.99
55903690
11/13/2024
NYSE
Common
04/03/2024
Gift from Affiliate
Philip Peller
Y
01/27/2022
774
NA
Common
04/03/2024
Gift from Affiliate
Philip Peller
Y
01/29/2022
126
NA
Y
11/13/2024
/s/ Phillip Robert Peller