<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          APR-30-1998
<PERIOD-START>                             MAY-01-1997
<PERIOD-END>                               JUL-31-1997
<CASH>                                             954
<SECURITIES>                                         0
<RECEIVABLES>                                    8,831
<ALLOWANCES>                                         0
<INVENTORY>                                     11,690
<CURRENT-ASSETS>                                22,985
<PP&E>                                          25,754
<DEPRECIATION>                                  18,942
<TOTAL-ASSETS>                                  51,378
<CURRENT-LIABILITIES>                                0
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            50
<OTHER-SE>                                      40,064
<TOTAL-LIABILITY-AND-EQUITY>                    51,378
<SALES>                                         14,032
<TOTAL-REVENUES>                                14,032
<CGS>                                           10,701
<TOTAL-COSTS>                                   10,701
<OTHER-EXPENSES>                                 2,043
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  96
<INCOME-PRETAX>                                  1,192
<INCOME-TAX>                                       454
<INCOME-CONTINUING>                                738
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       738
<EPS-PRIMARY>                                     0.15
<EPS-DILUTED>                                     0.15