<ARTICLE> 5
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               SEP-27-1996
<CASH>                                          29,174
<SECURITIES>                                         0
<RECEIVABLES>                                   12,932
<ALLOWANCES>                                     (149)
<INVENTORY>                                     12,893
<CURRENT-ASSETS>                                58,512
<PP&E>                                          27,475
<DEPRECIATION>                                (18,927)
<TOTAL-ASSETS>                                  72,856
<CURRENT-LIABILITIES>                           13,245
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         9,947
<OTHER-SE>                                      49,276
<TOTAL-LIABILITY-AND-EQUITY>                    72,856
<SALES>                                        104,679
<TOTAL-REVENUES>                               104,679
<CGS>                                           55,288
<TOTAL-COSTS>                                   21,910
<OTHER-EXPENSES>                               (2,098)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 29,579
<INCOME-TAX>                                    10,789
<INCOME-CONTINUING>                             18,790
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    18,790
<EPS-PRIMARY>                                     1.88
<EPS-DILUTED>                                     1.88