<ARTICLE> 5
<LEGEND>
This Schedule contains summary financial information extracted from the
financial statements contained in the body of the accompanying
Form 10-K and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          23,098
<SECURITIES>                                     6,102
<RECEIVABLES>                                   27,819
<ALLOWANCES>                                         0
<INVENTORY>                                     31,790
<CURRENT-ASSETS>                               117,589
<PP&E>                                         102,883
<DEPRECIATION>                                  77,307
<TOTAL-ASSETS>                                 183,291
<CURRENT-LIABILITIES>                           39,713
<BONDS>                                          9,508
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        14,374
<OTHER-SE>                                      87,650
<TOTAL-LIABILITY-AND-EQUITY>                   183,291
<SALES>                                        235,183
<TOTAL-REVENUES>                               251,083
<CGS>                                          176,392
<TOTAL-COSTS>                                  219,562
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 915
<INCOME-PRETAX>                                 30,606
<INCOME-TAX>                                    15,781
<INCOME-CONTINUING>                             14,825
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    14,825
<EPS-PRIMARY>                                     1.22
<EPS-DILUTED>                                     1.19