<SUBMISSION>
<ACCESSION-NUMBER>0001209191-03-019451
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030819
<FILING-DATE>20030829
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MCWILLIAMS JEFFREY A
<CIK>0001261150
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>001-09967
<FILM-NUMBER>03873024
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O AMCST INDUSTRIAL CORP
<STREET2>7887 WASHINGTON VILLAGE DR
<CITY>DAYTON
<STATE>OH
<ZIP>45459
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AMCAST INDUSTRIAL CORP
<CIK>0000027425
<ASSIGNED-SIC>3490
<IRS-NUMBER>310258080
<STATE-OF-INCORPORATION>OH
<FISCAL-YEAR-END>0831
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>7887 WASHINGTON VILLAGE DR
<CITY>DAYTON
<STATE>OH
<ZIP>45459
<PHONE>9372917000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>7887 WASHINGTON VILLAGE DRIVE
<CITY>DAYTON
<STATE>OH
<ZIP>45459
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>DAYTON MALLEABLE INC
<DATE-CHANGED>19831219
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>DAYTON MALLEABLE IRON CO
<DATE-CHANGED>19741216
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
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</DOCUMENT>
</SUBMISSION>
