<ARTICLE> 5
       
                                     
<PERIOD-TYPE>              3-MOS
<FISCAL-YEAR-END>                       MAR-31-1999
<PERIOD-START>                          APR-01-1998
<PERIOD-END>                            JUN-30-1998
<CASH>                                    7,763,200
<SECURITIES>                                      0
<RECEIVABLES>                            13,757,680
<ALLOWANCES>                                295,273
<INVENTORY>                              16,700,624
<CURRENT-ASSETS>                         38,667,975
<PP&E>                                   23,874,285
<DEPRECIATION>                           15,665,276
<TOTAL-ASSETS>                           54,670,970
<CURRENT-LIABILITIES>                     8,676,128
<BONDS>                                           0
<PREFERRED-MANDATORY>                             0
<PREFERRED>                                       0
<COMMON>                                  1,141,203
<OTHER-SE>                               44,853,639
<TOTAL-LIABILITY-AND-EQUITY>             54,670,970
<SALES>                                  18,583,072
<TOTAL-REVENUES>                         18,583,072
<CGS>                                     8,229,230
<TOTAL-COSTS>                             8,837,900
<OTHER-EXPENSES>                           (159,008)
<LOSS-PROVISION>                                  0
<INTEREST-EXPENSE>                                0
<INCOME-PRETAX>                           1,674,950
<INCOME-TAX>                                553,000
<INCOME-CONTINUING>                       1,121,950
<DISCONTINUED>                                    0
<EXTRAORDINARY>                                   0
<CHANGES>                                         0
<NET-INCOME>                              1,121,950
<EPS-PRIMARY>                                   .10
<EPS-DILUTED>                                   .10