<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information 
extracted from Second 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>                    JUN-28-1997
<CASH>                                4,390
<SECURITIES>                          4,500
<RECEIVABLES>                        19,433
<ALLOWANCES>                              0
<INVENTORY>                          16,119
<CURRENT-ASSETS>                     90,282
<PP&E>                               80,846
<DEPRECIATION>                       59,241
<TOTAL-ASSETS>                      111,897
<CURRENT-LIABILITIES>                21,532
<BONDS>                                   0
<COMMON>                              5,153
<PREFERRED-MANDATORY>                     0
<PREFERRED>                               0
<OTHER-SE>                           81,517
<TOTAL-LIABILITY-AND-EQUITY>        111,897
<SALES>                              32,322
<TOTAL-REVENUES>                     32,322
<CGS>                                25,232
<TOTAL-COSTS>                        32,719
<OTHER-EXPENSES>                          0
<LOSS-PROVISION>                          0
<INTEREST-EXPENSE>                     (146)
<INCOME-PRETAX>                         677
<INCOME-TAX>                            417
<INCOME-CONTINUING>                     260
<DISCONTINUED>                            0
<EXTRAORDINARY>                           0
<CHANGES>                                 0
<NET-INCOME>                            260
<EPS-PRIMARY>                          0.05
<EPS-DILUTED>                          0.05