<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> MAR-31-2000 <CASH> 14,324,000 <SECURITIES> 0 <RECEIVABLES> 8,285,000 <ALLOWANCES> 0 <INVENTORY> 4,455,000 <CURRENT-ASSETS> 61,022,000 <PP&E> 40,415,000 <DEPRECIATION> 29,550,000 <TOTAL-ASSETS> 79,443,000 <CURRENT-LIABILITIES> 35,893,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 486,000 <OTHER-SE> 40,287,000 <TOTAL-LIABILITY-AND-EQUITY> 79,443,000 <SALES> 23,474,000 <TOTAL-REVENUES> 23,474,000 <CGS> 18,957,000 <TOTAL-COSTS> 21,690,000 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 154,000 <INCOME-PRETAX> 1,611,000 <INCOME-TAX> 644,000 <INCOME-CONTINUING> 967,000 <DISCONTINUED> 485,000 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,452,000 <EPS-BASIC> .30 <EPS-DILUTED> .30