<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information 
extracted from Third Quarter Report to Stockholders and is 
qualified in its entirety by reference to such financial 
statements.
</LEGEND>
<MULTIPLIER>1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>               DEC-31-1997
<PERIOD-END>                    SEP-27-1997
<CASH>                                7,856
<SECURITIES>                          4,500
<RECEIVABLES>                        19,841
<ALLOWANCES>                              0
<INVENTORY>                          17,724
<CURRENT-ASSETS>                     98,155
<PP&E>                               71,705
<DEPRECIATION>                       57,395
<TOTAL-ASSETS>                      112,543
<CURRENT-LIABILITIES>                20,673
<BONDS>                                   0
<COMMON>                              5,153
<PREFERRED-MANDATORY>                     0
<PREFERRED>                               0
<OTHER-SE>                           83,077
<TOTAL-LIABILITY-AND-EQUITY>        112,543
<SALES>                              25,990
<TOTAL-REVENUES>                     25,990
<CGS>                                19,259
<TOTAL-COSTS>                        25,749
<OTHER-EXPENSES>                          0
<LOSS-PROVISION>                          0
<INTEREST-EXPENSE>                     (195)
<INCOME-PRETAX>                       2,041
<INCOME-TAX>                            147
<INCOME-CONTINUING>                   1,894
<DISCONTINUED>                            0
<EXTRAORDINARY>                           0
<CHANGES>                                 0
<NET-INCOME>                          1,894
<EPS-PRIMARY>                          0.37
<EPS-DILUTED>                          0.37