<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> JUN-30-2000
<CASH> 10,510
<SECURITIES> 0
<RECEIVABLES> 56,090<F1>
<ALLOWANCES> 966
<INVENTORY> 49,709
<CURRENT-ASSETS> 124,887
<PP&E> 109,564
<DEPRECIATION> 40,389
<TOTAL-ASSETS> 346,969
<CURRENT-LIABILITIES> 79,542
<BONDS> 0
0
0
<COMMON> 132
<OTHER-SE> 256,183
<TOTAL-LIABILITY-AND-EQUITY> 346,969
<SALES> 215,162
<TOTAL-REVENUES> 215,162
<CGS> 149,259
<TOTAL-COSTS> 194,447
<OTHER-EXPENSES> 2,674
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> (99)
<INCOME-PRETAX> 18,140
<INCOME-TAX> 5,860
<INCOME-CONTINUING> 12,280
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 12,280
<EPS-BASIC> 1.00
<EPS-DILUTED> .97
<FN>
<F1>This number does not include $4.6 million of costs and estimated earnings on
long-term contracts.
</FN>
</TABLE>