<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS CONTAINED IN THE BODY OF THE ACCOMPANYING FORM 10-Q AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                         1,000

                                               
<PERIOD-TYPE>                                     6-MOS
<FISCAL-YEAR-END>                                 DEC-31-1999
<PERIOD-END>                                      JUN-30-2000
<CASH>                                            18,282
<SECURITIES>                                      0
<RECEIVABLES>                                     45,692
<ALLOWANCES>                                      0
<INVENTORY>                                       55,423
<CURRENT-ASSETS>                                  128,987
<PP&E>                                            124,121
<DEPRECIATION>                                    89,979
<TOTAL-ASSETS>                                    213,694
<CURRENT-LIABILITIES>                             63,768
<BONDS>                                           3,783
<PREFERRED-MANDATORY>                             0
<PREFERRED>                                       0
<COMMON>                                          14,374
<OTHER-SE>                                        99,549
<TOTAL-LIABILITY-AND-EQUITY>                      213,694
<SALES>                                           110,861
<TOTAL-REVENUES>                                  112,787
<CGS>                                             83,363
<TOTAL-COSTS>                                     105,294
<OTHER-EXPENSES>                                  0
<LOSS-PROVISION>                                  0
<INTEREST-EXPENSE>                                17
<INCOME-PRETAX>                                   7,476
<INCOME-TAX>                                      2,681
<INCOME-CONTINUING>                               4,795
<DISCONTINUED>                                    0
<EXTRAORDINARY>                                   0
<CHANGES>                                         0
<NET-INCOME>                                      4,795
<EPS-BASIC>                                       .39
<EPS-DILUTED>                                     .38