<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Westwood
Corporation Consolidated Balance Sheet (unaudited) for September 30, 2000, and
the related Consolidated Statement of Operations (unaudited) for the six months
ended September 30, 2000, and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-END> SEP-30-2000
<CASH> 26
<SECURITIES> 0
<RECEIVABLES> 3,629
<ALLOWANCES> 35
<INVENTORY> 5,773
<CURRENT-ASSETS> 10,959
<PP&E> 5,164
<DEPRECIATION> 3,353
<TOTAL-ASSETS> 17,771
<CURRENT-LIABILITIES> 10,630
<BONDS> 2,419
0
0
<COMMON> 21
<OTHER-SE> 4,701
<TOTAL-LIABILITY-AND-EQUITY> 17,771
<SALES> 11,600
<TOTAL-REVENUES> 11,600
<CGS> 10,068
<TOTAL-COSTS> 12,082
<OTHER-EXPENSES> (65)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 221
<INCOME-PRETAX> (638)
<INCOME-TAX> 0
<INCOME-CONTINUING> (638)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (638)
<EPS-BASIC> (.094)
<EPS-DILUTED> (.094)
</TABLE>