<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-28-1997 <CASH> 20,430 <SECURITIES> 0 <RECEIVABLES> 61,877 <ALLOWANCES> 981 <INVENTORY> 93,163 <CURRENT-ASSETS> 192,468 <PP&E> 416,627 <DEPRECIATION> 278,282 <TOTAL-ASSETS> 358,770 <CURRENT-LIABILITIES> 68,313 <BONDS> 18,705 <COMMON> 21,925 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 200,949 <TOTAL-LIABILITY-AND-EQUITY> 358,770 <SALES> 99,688 <TOTAL-REVENUES> 99,688 <CGS> 73,997 <TOTAL-COSTS> 90,974 <OTHER-EXPENSES> (562) <LOSS-PROVISION> 40 <INTEREST-EXPENSE> 284 <INCOME-PRETAX> 8,952 <INCOME-TAX> 2,462 <INCOME-CONTINUING> 6,490 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,490 <EPS-PRIMARY> 0.39 <EPS-DILUTED> 0.39