<ARTICLE>                     5
<LEGEND>
     THIS SCHEDULE CONTAINS  INFORMATION  EXTRACTED FROM THE COMPANY'S UNAUDITED
FINANCIAL  STATEMENTS FOR THE SIX MONTHS ENDED JUNE 30, 1997 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                     1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                           1,392
<SECURITIES>                                         0
<RECEIVABLES>                                   65,357
<ALLOWANCES>                                         0
<INVENTORY>                                     90,794
<CURRENT-ASSETS>                               150,101
<PP&E>                                         125,580
<DEPRECIATION>                                  60,153
<TOTAL-ASSETS>                                 231,423
<CURRENT-LIABILITIES>                           30,680
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            65
<OTHER-SE>                                     152,486
<TOTAL-LIABILITY-AND-EQUITY>                   231,423
<SALES>                                        123,724
<TOTAL-REVENUES>                               123,724
<CGS>                                           82,212
<TOTAL-COSTS>                                   24,779
<OTHER-EXPENSES>                                 1,960
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,365
<INCOME-PRETAX>                                 13,762
<INCOME-TAX>                                     5,415
<INCOME-CONTINUING>                              8,347
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,347
<EPS-PRIMARY>                                     1.34
<EPS-DILUTED>                                     1.34