0000921895-04-002163 NT 10-K 1 20040930 20041229 20041229 20041229 AMERICAN PACIFIC CORP 0000350832 2810 596490478 DE 0930 NT 10-K 34 001-08137 041230459 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 NT 10-K 1 formnt10k00005_09302004.htm