<ARTICLE>                     5
<LEGEND>
The  schedule  contains  summary  financial   information   extracted  from  the
registrant's  consolidated statements of income for the three months ended March
31, 1998 and 1997 and consolidated  balance sheets as of March 31, 1998 and 1997
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>                                  3-MOS                 3-MOS       
<FISCAL-YEAR-END>                              DEC-31-1998           DEC-31-1997
<PERIOD-START>                                 JAN-01-1998           JAN-01-1997
<PERIOD-END>                                   MAR-31-1998           MAR-31-1997
<CASH>                                            51                    85
<SECURITIES>                                       0                    47
<RECEIVABLES>                                    638                   629
<ALLOWANCES>                                      15                    13
<INVENTORY>                                      699                   598
<CURRENT-ASSETS>                               1,455                 1,425
<PP&E>                                         1,800                 1,677
<DEPRECIATION>                                 1,022                   927
<TOTAL-ASSETS>                                 3,006                 2,866
<CURRENT-LIABILITIES>                            590                   577
<BONDS>                                          433                   435
<PREFERRED-MANDATORY>                              0                     0
<PREFERRED>                                        0                     0
<COMMON>                                          20                    20
<OTHER-SE>                                     1,236                 1,128
<TOTAL-LIABILITY-AND-EQUITY>                   3,006                 2,866
<SALES>                                        1,002                 1,030
<TOTAL-REVENUES>                               1,002                 1,030
<CGS>                                            773                   786
<TOTAL-COSTS>                                    773                   786
<OTHER-EXPENSES>                                   0                     0
<LOSS-PROVISION>                                   0                     0
<INTEREST-EXPENSE>                                 4                     5
<INCOME-PRETAX>                                   46                   117
<INCOME-TAX>                                      19                    46
<INCOME-CONTINUING>                               27                    71
<DISCONTINUED>                                     0                     0
<EXTRAORDINARY>                                    0                     0
<CHANGES>                                          0                     0
<NET-INCOME>                                      27                    71
<EPS-PRIMARY>                                   0.14                  0.36
<EPS-DILUTED>                                   0.14                  0.35