<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAY-31-1999 <PERIOD-START> JUN-01-1998 <PERIOD-END> NOV-30-1998 <EXCHANGE-RATE> 1 <CASH> 316 <SECURITIES> 0 <RECEIVABLES> 6,854 <ALLOWANCES> 52 <INVENTORY> 10,132 <CURRENT-ASSETS> 19,675 <PP&E> 16,767 <DEPRECIATION> 12,980 <TOTAL-ASSETS> 25,788 <CURRENT-LIABILITIES> 13,060 <BONDS> 0 <PREFERRED-MANDATORY> 4,666 <PREFERRED> 0 <COMMON> 16,473 <OTHER-SE> 14,124 <TOTAL-LIABILITY-AND-EQUITY> 25,788 <SALES> 22,271 <TOTAL-REVENUES> 22,041 <CGS> 16,768 <TOTAL-COSTS> 20,635 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 547 <INCOME-PRETAX> 1,406 <INCOME-TAX> 474 <INCOME-CONTINUING> 1,880 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,880 <EPS-PRIMARY> .49 <EPS-DILUTED> .43