<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from First Quarter Report to Stockholders and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER>1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-29-1997 <CASH> 4,653 <SECURITIES> 6,311 <RECEIVABLES> 20,723 <ALLOWANCES> 0 <INVENTORY> 16,366 <CURRENT-ASSETS> 89,569 <PP&E> 83,882 <DEPRECIATION> 60,879 <TOTAL-ASSETS> 112,582 <CURRENT-LIABILITIES> 22,598 <BONDS> 0 <COMMON> 5,153 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 81,031 <TOTAL-LIABILITY-AND-EQUITY> 112,582 <SALES> 26,914 <TOTAL-REVENUES> 26,914 <CGS> 20,247 <TOTAL-COSTS> 27,820 <OTHER-EXPENSES> 2,612 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (34) <INCOME-PRETAX> (3,518) <INCOME-TAX> 751 <INCOME-CONTINUING> (4,269) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (4,269) <EPS-PRIMARY> (.83) <EPS-DILUTED> (.83)