<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM KEY
TECHNOLOGY, INC.'S CONSOLIDATED FINANCIAL STATEMENTS CONTAINED IN ITS QUARTERLY
REPORT ON FORM 10-Q FOR THE PERIOD ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<CASH> 5,325
<SECURITIES> 991
<RECEIVABLES> 10,932
<ALLOWANCES> (325)
<INVENTORY> 13,983
<CURRENT-ASSETS> 32,656
<PP&E> 22,776
<DEPRECIATION> (14,370)
<TOTAL-ASSETS> 48,641
<CURRENT-LIABILITIES> 12,282
<BONDS> 477
0
0
<COMMON> 9,310
<OTHER-SE> 25,176
<TOTAL-LIABILITY-AND-EQUITY> 48,641
<SALES> 48,979
<TOTAL-REVENUES> 49,387
<CGS> 30,181
<TOTAL-COSTS> 30,181
<OTHER-EXPENSES> 16,113
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 65
<INCOME-PRETAX> 3,028
<INCOME-TAX> 908
<INCOME-CONTINUING> 2,120
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,120
<EPS-BASIC> 0.45
<EPS-DILUTED> 0.45
</TABLE>