<ARTICLE> 5 <LEGEND> THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE COMPANY'S FORM 10-Q FOR THE FISCAL PERIOD ENDED JUNE 28, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <CIK> 0000089439 <NAME> MUELLER INDUSTRIES, INC. <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-27-1997 <PERIOD-END> JUN-28-1997 <CASH> 36,439 <SECURITIES> 0 <RECEIVABLES> 122,248 <ALLOWANCES> 3,223 <INVENTORY> 101,315 <CURRENT-ASSETS> 273,292 <PP&E> 320,428 <DEPRECIATION> 80,133 <TOTAL-ASSETS> 548,780 <CURRENT-LIABILITIES> 88,667 <BONDS> 39,335 <COMMON> 200 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 380,737 <TOTAL-LIABILITY-AND-EQUITY> 548,780 <SALES> 416,803 <TOTAL-REVENUES> 416,803 <CGS> 328,469 <TOTAL-COSTS> 328,469 <OTHER-EXPENSES> 40,546 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,296 <INCOME-PRETAX> 46,688 <INCOME-TAX> 14,591 <INCOME-CONTINUING> 32,097 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 32,097 <EPS-PRIMARY> 1.64 <EPS-DILUTED> 1.63