<ARTICLE>              5
<LEGEND>
This schedule contains a summary of financial information extracted from the
Condensed Consolidated Balance Sheet and Condensed Consolidated Statement of
Operations and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               DEC-28-1997
<CASH>                                      14,611,944
<SECURITIES>                                         0
<RECEIVABLES>                               10,292,835
<ALLOWANCES>                                   154,481
<INVENTORY>                                  7,915,557
<CURRENT-ASSETS>                            34,387,183
<PP&E>                                      36,576,408
<DEPRECIATION>                              20,948,684
<TOTAL-ASSETS>                              50,564,973
<CURRENT-LIABILITIES>                        6,642,623
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       480,444
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                50,564,973
<SALES>                                     27,803,039
<TOTAL-REVENUES>                            27,900,635
<CGS>                                       21,854,885
<TOTAL-COSTS>                               25,666,728
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             158,237
<INCOME-PRETAX>                              2,306,735
<INCOME-TAX>                                   754,350
<INCOME-CONTINUING>                          1,315,218
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,315,218
<EPS-PRIMARY>                                      .33
<EPS-DILUTED>                                      .32