<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> JUN-30-2001
<PERIOD-START> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 2,632
<SECURITIES> 3,397
<RECEIVABLES> 11,660<F1>
<ALLOWANCES> 0
<INVENTORY> 18,092
<CURRENT-ASSETS> 37,889
<PP&E> 51,061
<DEPRECIATION> 24,926
<TOTAL-ASSETS> 64,290
<CURRENT-LIABILITIES> 10,497
<BONDS> 4,124
0
0
<COMMON> 84
<OTHER-SE> 47,197
<TOTAL-LIABILITY-AND-EQUITY> 64,290
<SALES> 20,897
<TOTAL-REVENUES> 20,897
<CGS> 11,758
<TOTAL-COSTS> 11,758
<OTHER-EXPENSES> 5,131
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 117
<INCOME-PRETAX> 3,992
<INCOME-TAX> 1,397
<INCOME-CONTINUING> 2,595
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,595
<EPS-BASIC> 0.33
<EPS-DILUTED> 0.31
<FN>
<F1>note: receivables shown net of allowance of 430
</FN>
</TABLE>