<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> APR-30-1998 <PERIOD-START> MAY-01-1997 <PERIOD-END> APR-30-1998 <CASH> 1,809 <SECURITIES> 0 <RECEIVABLES> 14,475 <ALLOWANCES> 770 <INVENTORY> 3,710 <CURRENT-ASSETS> 20,853 <PP&E> 27,063 <DEPRECIATION> 17,029 <TOTAL-ASSETS> 31,866 <CURRENT-LIABILITIES> 11,287 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 6,550 <OTHER-SE> 12,489 <TOTAL-LIABILITY-AND-EQUITY> 31,866 <SALES> 73,037 <TOTAL-REVENUES> 73,037 <CGS> 55,600 <TOTAL-COSTS> 55,600 <OTHER-EXPENSES> 13,096 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 149 <INCOME-PRETAX> 4,237 <INCOME-TAX> 1,674 <INCOME-CONTINUING> 2,563 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,563 <EPS-PRIMARY> 1.07 <EPS-DILUTED> 1.06