<ARTICLE> 5 <LEGEND> FOR THE QUARTERLY PERIOD ENDED MARCH 31, 1998 </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <CASH> 30,585 <SECURITIES> 0 <RECEIVABLES> 18,485 <ALLOWANCES> 500 <INVENTORY> 20,419 <CURRENT-ASSETS> 74,188 <PP&E> 38,056 <DEPRECIATION> 17,327 <TOTAL-ASSETS> 99,231 <CURRENT-LIABILITIES> 13,188 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 40,889 <OTHER-SE> 43,176 <TOTAL-LIABILITY-AND-EQUITY> 99,231 <SALES> 45,321 <TOTAL-REVENUES> 45,321 <CGS> 35,672 <TOTAL-COSTS> 35,672 <OTHER-EXPENSES> 3,077 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 6,928 <INCOME-TAX> 2,910 <INCOME-CONTINUING> 4,018 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,018 <EPS-PRIMARY> .45 <EPS-DILUTED> .44