<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                             618
<SECURITIES>                                         0
<RECEIVABLES>                                   13,228
<ALLOWANCES>                                         0
<INVENTORY>                                     16,915
<CURRENT-ASSETS>                                37,883
<PP&E>                                          51,477
<DEPRECIATION>                                (28,352)
<TOTAL-ASSETS>                                  72,851
<CURRENT-LIABILITIES>                           25,672
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           723
<OTHER-SE>                                      28,950
<TOTAL-LIABILITY-AND-EQUITY>                    72,851
<SALES>                                         41,902
<TOTAL-REVENUES>                                41,902
<CGS>                                           29,418
<TOTAL-COSTS>                                   29,418
<OTHER-EXPENSES>                                24,605
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 834
<INCOME-PRETAX>                                (9,428)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (9,428)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (9,428)
<EPS-PRIMARY>                                   (1.30)
<EPS-DILUTED>                                   (1.30)