0000924355-03-000128 SC 13G 1 20030214 AMERICAN PACIFIC CORP 0000350832 2810 596490478 DE 0930 SC 13G 34 005-33521 03567783 3770 HOWARD HUGHES PKWY STE 300 LAS VEGAS NV 89109 7027352200 3770 HOWARD HUGHES PKWY STE 300 3770 HOWARD HUGHES PKWY STE 300 LAS VEGAS NV 89109 STATE STREET RESEARCH & MANAGEMENT CO //MA/ 0000924355 133142135 DE 1231 SC 13G ONE FINANCIAL CENTER BOSTON MA 02111 6173571399 ONE FINANCIAL CENTER BOSTON MA 02111 SC 13G 1 apfc13g123102a.htm AMERICAN PACIFIC CORP. 13G 12/31/02