<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10Q -QUARTER
ENDED SEPTEMBER 30, 2000, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 4,238
<SECURITIES> 0
<RECEIVABLES> 7,837
<ALLOWANCES> 106
<INVENTORY> 8,552
<CURRENT-ASSETS> 22,943
<PP&E> 32,441
<DEPRECIATION> 21,205
<TOTAL-ASSETS> 37,641
<CURRENT-LIABILITIES> 3,496
<BONDS> 0
0
0
<COMMON> 33,795
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 37,641
<SALES> 34,340
<TOTAL-REVENUES> 34,340
<CGS> 25,061
<TOTAL-COSTS> 30,331
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 26
<INCOME-PRETAX> 3,983
<INCOME-TAX> 80
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 3,903
<EPS-BASIC> .48
<EPS-DILUTED> .47
</TABLE>