<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>                                        3-MOS
<FISCAL-YEAR-END>                                    DEC-31-1999
<PERIOD-END>                                         MAR-31-2000
<CASH>                                               13,044
<SECURITIES>                                         3,462
<RECEIVABLES>                                        48,915
<ALLOWANCES>                                         0
<INVENTORY>                                          52,429
<CURRENT-ASSETS>                                     127,801
<PP&E>                                               122,806
<DEPRECIATION>                                       87,971
<TOTAL-ASSETS>                                       213,342
<CURRENT-LIABILITIES>                                64,767
<BONDS>                                              3,887
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             14,374
<OTHER-SE>                                           98,216
<TOTAL-LIABILITY-AND-EQUITY>                         213,342
<SALES>                                              49,936
<TOTAL-REVENUES>                                     50,960
<CGS>                                                36,960
<TOTAL-COSTS>                                        47,440
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   2
<INCOME-PRETAX>                                      3,518
<INCOME-TAX>                                         1,289
<INCOME-CONTINUING>                                  2,229
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                         2,229
<EPS-BASIC>                                        .18
<EPS-DILUTED>                                        .18