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<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUL-03-1999
<EXCHANGE-RATE> 1
<CASH> 11,444
<SECURITIES> 1,875
<RECEIVABLES> 17,890
<ALLOWANCES> 857
<INVENTORY> 22,573
<CURRENT-ASSETS> 59,529
<PP&E> 44,560
<DEPRECIATION> 29,707
<TOTAL-ASSETS> 116,051
<CURRENT-LIABILITIES> 19,414
<BONDS> 7,033
0
0
<COMMON> 214
<OTHER-SE> 95,809
<TOTAL-LIABILITY-AND-EQUITY> 116,051
<SALES> 45,411
<TOTAL-REVENUES> 45,411
<CGS> 26,482
<TOTAL-COSTS> 26,482
<OTHER-EXPENSES> 12,862
<LOSS-PROVISION> 279
<INTEREST-EXPENSE> 324
<INCOME-PRETAX> 6,730
<INCOME-TAX> 2,304
<INCOME-CONTINUING> 4,426
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 4,426
<EPS-BASIC> 0.21
<EPS-DILUTED> 0.20
</TABLE>
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