<ARTICLE> 5 <LEGEND> This Schedule contains summary financial information extracted from the financial statements contained in the body of the accompanying Form 10-K and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> DEC-31-1997 <CASH> 23,098 <SECURITIES> 6,102 <RECEIVABLES> 27,819 <ALLOWANCES> 0 <INVENTORY> 31,790 <CURRENT-ASSETS> 117,589 <PP&E> 102,883 <DEPRECIATION> 77,307 <TOTAL-ASSETS> 183,291 <CURRENT-LIABILITIES> 39,713 <BONDS> 9,508 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 14,374 <OTHER-SE> 87,650 <TOTAL-LIABILITY-AND-EQUITY> 183,291 <SALES> 235,183 <TOTAL-REVENUES> 251,083 <CGS> 176,392 <TOTAL-COSTS> 219,562 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 915 <INCOME-PRETAX> 30,606 <INCOME-TAX> 15,781 <INCOME-CONTINUING> 14,825 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 14,825 <EPS-PRIMARY> 1.22 <EPS-DILUTED> 1.19