<ARTICLE>               5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND THE CONSOLIDATED STATEMENTS OF INCOME
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                    1000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>               DEC-31-1997
<PERIOD-END>                    APR-04-1998
<CASH>                          8151    
<SECURITIES>                    0
<RECEIVABLES>                   5250
<ALLOWANCES>                    0
<INVENTORY>                     5883
<CURRENT-ASSETS>                20850
<PP&E>                          19804
<DEPRECIATION>                  15156
<TOTAL-ASSETS>                  25498
<CURRENT-LIABILITIES>           2710
<BONDS>                         0
<COMMON>                        14217
<PREFERRED-MANDATORY>           0
<PREFERRED>                     0
<OTHER-SE>                      8546
<TOTAL-LIABILITY-AND-EQUITY>    25498
<SALES>                         9385
<TOTAL-REVENUES>                9385
<CGS>                           5826
<TOTAL-COSTS>                   8215
<OTHER-EXPENSES>                0
<LOSS-PROVISION>                0
<INTEREST-EXPENSE>              2
<INCOME-PRETAX>                 1168
<INCOME-TAX>                    468
<INCOME-CONTINUING>             700
<DISCONTINUED>                  0
<EXTRAORDINARY>                 0
<CHANGES>                       0
<NET-INCOME>                    700
<EPS-PRIMARY>                   .19
<EPS-DILUTED>                   .18