0000898430-01-503659 8-K 6 20011121 5 7 20011121 NORTHROP GRUMMAN CORP /DE/ 0001133421 3812 954840775 DE 1231 8-K 34 001-16411 1797872 1840 CENTURY PK E C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 3105536262 1840 CENTURY PARK EAST C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 NNG INC 20010129 8-K 1 d8k.txt FORM 8-K EX-4.1 3 dex41.txt INDENTURE EX-4.2 4 dex42.txt OFFICER'S CERTIFICATE EX-4.3 5 dex43.txt PURCHASE CONTRACT AGREEMENT EX-4.4 6 dex44.txt PLEDGE AGREEMENT EX-4.5 7 dex45.txt FORM OF REMARKETING AGREEMENT