<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 27, 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>                   YEAR
<FISCAL-YEAR-END>                          DEC-27-1997
<PERIOD-END>                               DEC-27-1997
<CASH>                                          69,978
<SECURITIES>                                         0
<RECEIVABLES>                                  132,582
<ALLOWANCES>                                     3,680
<INVENTORY>                                     98,181
<CURRENT-ASSETS>                               309,051
<PP&E>                                         349,502
<DEPRECIATION>                                  89,138
<TOTAL-ASSETS>                                 610,776
<CURRENT-LIABILITIES>                          100,557
<BONDS>                                         53,113
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           200
<OTHER-SE>                                     417,840
<TOTAL-LIABILITY-AND-EQUITY>                   610,776
<SALES>                                        888,997
<TOTAL-REVENUES>                               888,997
<CGS>                                          704,801
<TOTAL-COSTS>                                  704,801
<OTHER-EXPENSES>                                84,487
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,968
<INCOME-PRETAX>                                100,821
<INCOME-TAX>                                    31,051
<INCOME-CONTINUING>                             69,770
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    69,770
<EPS-PRIMARY>                                     3.99
<EPS-DILUTED>                                     3.56