<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S CONSOLIDATED STATEMENT OF INCOME FOR THE NINE MONTHS ENDED
SEPTEMBER 30, 1999 AND CONSOLIDATED BALANCE SHEET AS OF SEPTEMBER 30, 1999 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001018963
<NAME> ALLEGHENY TELEDYNE INCORPORATED
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                              49
<SECURITIES>                                         0
<RECEIVABLES>                                      516
<ALLOWANCES>                                        15
<INVENTORY>                                        648
<CURRENT-ASSETS>                                 1,290
<PP&E>                                           2,013
<DEPRECIATION>                                   1,019
<TOTAL-ASSETS>                                   3,141
<CURRENT-LIABILITIES>                              637
<BONDS>                                            257
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            20
<OTHER-SE>                                       1,398
<TOTAL-LIABILITY-AND-EQUITY>                     3,141
<SALES>                                          2,708
<TOTAL-REVENUES>                                 2,708
<CGS>                                            2,094
<TOTAL-COSTS>                                    2,094
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  20
<INCOME-PRETAX>                                    243
<INCOME-TAX>                                        87
<INCOME-CONTINUING>                                156
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                    130
<CHANGES>                                            0
<NET-INCOME>                                       286
<EPS-BASIC>                                       1.48
<EPS-DILUTED>                                     1.48