<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> US DOLLAR <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-1-1997 <PERIOD-END> JUN-30-1997 <EXCHANGE-RATE> 1 <CASH> 11,166 <SECURITIES> 0 <RECEIVABLES> 49,339 <ALLOWANCES> 84 <INVENTORY> 47,053 <CURRENT-ASSETS> 111,757 <PP&E> 84,995 <DEPRECIATION> 38,941 <TOTAL-ASSETS> 217,074 <CURRENT-LIABILITIES> 32,250 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 37,170 <OTHER-SE> 147,654 <TOTAL-LIABILITY-AND-EQUITY> 217,074 <SALES> 91,163 <TOTAL-REVENUES> 91,163 <CGS> 39,851 <TOTAL-COSTS> 39,851 <OTHER-EXPENSES> 38,257 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 13,055 <INCOME-TAX> 3,500 <INCOME-CONTINUING> 9,555 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,555 <EPS-PRIMARY> .69 <EPS-DILUTED> 0