<ARTICLE> 5 <LEGEND> FOR THE QUARTERLY PERIODS ENDED MARCH 31, 1997, JUNE 30, 1997 AND SEPTEMBER 30, 1997 </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 6-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 DEC-31-1997 <PERIOD-START> JAN-01-1997 APR-01-1997 JUL-01-1997 <PERIOD-END> MAR-31-1997 JUN-30-1997 SEP-30-1997 <CASH> 7,895 13,913 23,786 <SECURITIES> 0 0 0 <RECEIVABLES> 13,170 18,321 15,530 <ALLOWANCES> 400 400 400 <INVENTORY> 29,900 26,703 21,713 <CURRENT-ASSETS> 55,826 61,611 64,203 <PP&E> 34,779 35,362 35,582 <DEPRECIATION> 14,828 15,531 16,109 <TOTAL-ASSETS> 77,766 83,458 87,742 <CURRENT-LIABILITIES> 9,067 11,550 11,701 <BONDS> 0 0 0 <PREFERRED-MANDATORY> 0 0 0 <PREFERRED> 0 0 0 <COMMON> 38,478 38,545 38,613 <OTHER-SE> 29,480 32,296 36,036 <TOTAL-LIABILITY-AND-EQUITY> 77,766 83,458 87,742 <SALES> 29,001 68,939 112,874 <TOTAL-REVENUES> 29,001 68,939 112,874 <CGS> 24,976 56,932 91,498 <TOTAL-COSTS> 24,976 56,932 91,498 <OTHER-EXPENSES> 2,184 5,462 8,587 <LOSS-PROVISION> 0 0 0 <INTEREST-EXPENSE> 0 0 0 <INCOME-PRETAX> 2,013 6,920 13,369 <INCOME-TAX> 815 2,906 5,615 <INCOME-CONTINUING> 1,198 4,014 7,754 <DISCONTINUED> 0 0 0 <EXTRAORDINARY> 0 0 0 <CHANGES> 0 0 0 <NET-INCOME> 1,198 4,014 7,754 <EPS-PRIMARY> .14 .46 .88 <EPS-DILUTED> .13 .45 .87