<ARTICLE> 5 <LEGEND> FOR THE YEAR ENDED DECEMBER 31, 1996 AND QUARTERLY PERIODS ENDED JUNE 30, 1996 AND SEPTEMBER 30, 1996 </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR 6-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1996 DEC-31-1996 <PERIOD-START> JAN-01-1996 APR-01-1996 JUL-01-1996 <PERIOD-END> DEC-31-1996 JUN-30-1996 SEP-30-1996 <CASH> 14,060 10,534 16,639 <SECURITIES> 0 4,630 2,554 <RECEIVABLES> 12,183 19,048 12,924 <ALLOWANCES> 400 400 400 <INVENTORY> 21,660 16,231 18,720 <CURRENT-ASSETS> 53,975 54,484 55,241 <PP&E> 34,422 32,543 33,947 <DEPRECIATION> 14,251 13,722 14,296 <TOTAL-ASSETS> 76,100 73,610 76,844 <CURRENT-LIABILITIES> 9,175 13,902 12,259 <BONDS> 0 0 0 <PREFERRED-MANDATORY> 0 0 0 <PREFERRED> 0 0 0 <COMMON> 38,205 37,970 37,869 <OTHER-SE> 28,282 21,738 26,605 <TOTAL-LIABILITY-AND-EQUITY> 76,100 73,610 76,844 <SALES> 148,257 71,852 113,347 <TOTAL-REVENUES> 148,257 71,852 113,347 <CGS> 114,431 52,496 84,439 <TOTAL-COSTS> 114,431 52,496 84,439 <OTHER-EXPENSES> 9,372 5,374 7,052 <LOSS-PROVISION> 0 0 0 <INTEREST-EXPENSE> 0 0 0 <INCOME-PRETAX> 25,496 14,590 22,702 <INCOME-TAX> 10,430 6,068 9,313 <INCOME-CONTINUING> 15,066 8,522 13,389 <DISCONTINUED> 0 0 0 <EXTRAORDINARY> 0 0 0 <CHANGES> 0 0 0 <NET-INCOME> 15,066 8,522 13,389 <EPS-PRIMARY> 1.72 .97 1.53 <EPS-DILUTED> 1.67 .94 1.48