<ARTICLE> 5
<CIK> 0000042682
<NAME> N/A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                           4,009
<SECURITIES>                                     6,747
<RECEIVABLES>                                   31,026
<ALLOWANCES>                                       839
<INVENTORY>                                     38,215
<CURRENT-ASSETS>                                84,618
<PP&E>                                          94,536
<DEPRECIATION>                                  50,807
<TOTAL-ASSETS>                                 133,523
<CURRENT-LIABILITIES>                           20,944
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,110
<OTHER-SE>                                      80,064
<TOTAL-LIABILITY-AND-EQUITY>                   133,523
<SALES>                                         43,184
<TOTAL-REVENUES>                                43,386
<CGS>                                           31,890
<TOTAL-COSTS>                                   38,708
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    85
<INTEREST-EXPENSE>                                  51
<INCOME-PRETAX>                                  4,678
<INCOME-TAX>                                     1,817
<INCOME-CONTINUING>                              2,861
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,861
<EPS-PRIMARY>                                      .33
<EPS-DILUTED>                                      .33