<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-30-1997 <CASH> 46,556 <SECURITIES> 0 <RECEIVABLES> 55,323 <ALLOWANCES> 669 <INVENTORY> 37,197 <CURRENT-ASSETS> 150,619 <PP&E> 189,305 <DEPRECIATION> 132,386 <TOTAL-ASSETS> 263,982 <CURRENT-LIABILITIES> 61,174 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 33,401 <OTHER-SE> 137,736 <TOTAL-LIABILITY-AND-EQUITY> 263,982 <SALES> 91,269 <TOTAL-REVENUES> 91,269 <CGS> 65,978 <TOTAL-COSTS> 80,776 <OTHER-EXPENSES> (808) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 263 <INCOME-PRETAX> 11,038 <INCOME-TAX> 4,084 <INCOME-CONTINUING> 6,954 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,954 <EPS-PRIMARY> 1.32 <EPS-DILUTED> 1.32