<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AT SEPTEMBER 30, 1997 AND THE
CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS FOR THE NINE MONTHS ENDING
SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                             842
<SECURITIES>                                         0
<RECEIVABLES>                                   77,562
<ALLOWANCES>                                         0
<INVENTORY>                                     45,416
<CURRENT-ASSETS>                               131,791
<PP&E>                                         257,166
<DEPRECIATION>                                 159,666
<TOTAL-ASSETS>                                 290,014
<CURRENT-LIABILITIES>                          117,645
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,137
<OTHER-SE>                                     143,994
<TOTAL-LIABILITY-AND-EQUITY>                   290,014
<SALES>                                        346,581
<TOTAL-REVENUES>                               346,581
<CGS>                                          282,156
<TOTAL-COSTS>                                  282,156
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,405
<INCOME-PRETAX>                                 12,561
<INCOME-TAX>                                     5,799
<INCOME-CONTINUING>                              6,762
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,762
<EPS-PRIMARY>                                     1.23
<EPS-DILUTED>                                     1.23