<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-27-1997
<CASH>                                             320
<SECURITIES>                                         0
<RECEIVABLES>                                   20,044
<ALLOWANCES>                                       178
<INVENTORY>                                     25,956
<CURRENT-ASSETS>                                51,929
<PP&E>                                          61,527
<DEPRECIATION>                                  31,829
<TOTAL-ASSETS>                                 101,776
<CURRENT-LIABILITIES>                           27,140
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            74
<OTHER-SE>                                      69,056
<TOTAL-LIABILITY-AND-EQUITY>                   101,776
<SALES>                                        115,171
<TOTAL-REVENUES>                               115,171
<CGS>                                           77,552
<TOTAL-COSTS>                                   77,552
<OTHER-EXPENSES>                                19,804
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 532
<INCOME-PRETAX>                                 17,283
<INCOME-TAX>                                     7,258
<INCOME-CONTINUING>                             10,025
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    10,025
<EPS-PRIMARY>                                     1.27
<EPS-DILUTED>                                     1.26