<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1998 <PERIOD-END> JUN-30-1998 <CASH> 24,838,000 <SECURITIES> 0 <RECEIVABLES> 18,406,000 <ALLOWANCES> 0 <INVENTORY> 5,440,000 <CURRENT-ASSETS> 77,240,000 <PP&E> 43,893,000 <DEPRECIATION> 32,359,000 <TOTAL-ASSETS> 100,991,000 <CURRENT-LIABILITIES> 47,807,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 474,000 <OTHER-SE> 41,547,000 <TOTAL-LIABILITY-AND-EQUITY> 100,991,000 <SALES> 67,907,000 <TOTAL-REVENUES> 67,907,000 <CGS> 53,897,000 <TOTAL-COSTS> 61,412,000 <OTHER-EXPENSES> 384,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 877,000 <INCOME-PRETAX> 5,788,000 <INCOME-TAX> 985,000 <INCOME-CONTINUING> 4,803,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,803,000 <EPS-PRIMARY> 1.02 <EPS-DILUTED> .99