BANKERS TRUST NEW YORK CORPORATION
One Bankers Trust Plaza
New York, New York  10006


Linda L. Assali                        Mailing Address:
Vice President                         BT Services Tennessee, Inc.
Telephone: 615-835-2901                648 Grassmere Park
                                       Nashville, TN 37211


                                       February 14, 1997

Securities and Exchange Commission
SEC Document Control
450 Fifth Street, N.W.
Washington, DC  20549
Attn:  Filing Desk


Dear Sirs:

     Re:  Filing of Schedule 13G on
          Northrop Grumman Corp


Pursuant to Rule 13d-1 of the General Rules and Regulations
under the Securities Exchange Act of 1934, the following is
one copy of the Schedule 13G with respect to the common
stock of the above referenced corporation.

Please acknowledge your receipt of the Schedule 13G filing
submission through the EDGAR-Link System software, by E-Mail
confirmation.

                                   Sincerely,

                                   Linda Assali


Enclosures
            SECURITIES AND EXCHANGE COMMISSION
                  Washington, D.C.  20549


                       SCHEDULE 13G

         Under the Securities Exchange Act of 1934
                   (Amendment No.  5 )*
                    Northrop Grumman Corp
          _______________________________________
                      NAME OF ISSUER:
              Common Stock (Par Value $0.01)
          _______________________________________
               TITLE OF CLASS OF SECURITIES
                         666807102
          _______________________________________
                       CUSIP NUMBER

     Check the following box if a fee is being paid with
     this statement [ ].  (A fee is not required only if
     the filing person: (1) has a previous statement on
     file reporting beneficial ownership of more than five
     percent of the class of securities described in Item
     1; and (2) has filed no amendment subsequent thereto
     reporting beneficial ownership of five percent or less
     of such class.) (See Rule 13d-7.)

     *The remainder of this cover page shall be filled out
     for a reporting person's initial filing on this form
     with respect to the subject class of securities, and
     for any subsequent amendment containing information
     which would alter the disclosures provided in a prior
     cover page.

     The information required in the remainder of this
     cover page shall not be deemed to be "filed" for the
     purpose of Section 18 of the Securities Exchange Act
     of 1934 ("Act") or otherwise subject to the
     liabilities of that section of the Act but shall be
     subject to all other provisions of the Act (however,
     see the Notes).

             (Continued on following page(s))

                     Page 1 of 7 Pages
CUSIP No. 666807102                     Page 2 of 7 Pages


1.NAME OF REPORTING PERSON
  S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

  Bankers Trust New York Corporation and its wholly-owned
  subsidiary, Bankers Trust Company, as Trustee for various
  trusts, and employee benefit plans, and investment
  advisor.  13-6180473

2.CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP *
          (A)  [ ]
          (B)  [ ]

3.SEC USE ONLY


4.CITIZENSHIP OR PLACE OF ORGANIZATION

 Bankers Trust New York Corporation and Bankers Trust
  Company are New York Corporations

 NUMBER OF     5. SOLE VOTING POWER

  SHARES

BENEFICIALLY   6. SHARED VOTING POWER

 OWNED BY

  EACH         7. SOLE DISPOSITIVE POWER

REPORTING

 PERSON        8. SHARED DISPOSITIVE POWER

  WITH

CUSIP No. 666807102                     Page 3 of 7 Pages


9.AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON

10.CHECK BOX IF THE AGGREGATE AMOUNT IN ROW(9) EXCLUDES
CERTAIN SHARES *

                    [ ]

11.PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9



12.TYPE OF REPORTING PERSON *

     Bankers Trust New York Corporation - HC
     Bankers Trust Company - BK

CUSIP No. 666807102                     Page 4 of 7 Pages


Item 1(a)    NAME OF ISSUER:

             Northrop Grumman Corp

Item 1(b)    ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE
OFFICES:

             1840 Century Park East
             Los Angeles, CA  90067

Item 2(a)    NAME OF PERSON FILING:

             Bankers Trust New York Corporation, and its
wholly-owned subsidiary, Bankers Trust
Company, as Trustee for various trusts, and
employee benefit plans, and investment
advisor.


Item 2(b)    ADDRESS OF PRINCIPAL BUSINESS OFFICE:

             280 Park Avenue
             New York, New York  10017

Item 2(c)    CITIZENSHIP:

           Bankers Trust New York Corporation, Bankers
Trust Company, as Trustee for various trusts and
employee benefit plans, and investment advisor.


Item 2(d)    TITLE OF CLASS OF SECURITIES:

             Common Stock (Par Value $0.01) of Northrop
               Grumman Corp, a Delaware corporation.

Item 2(e)    CUSIP NUMBER:

             666807102

CUSIP No. 666807102                     Page 5 of 7 Pages


Item 3       THE PERSON FILING IS A:

             For Bankers Trust New York Corporation,

      (g)    [X] Parent Holding Company, in accordance with
                 Section 240.13d-1(b)(ii)(G)

             For Bankers Trust Company,

      (b)    [X] Bank as defined in section 3(a)(6) of the
Act.

Item 4       OWNERSHIP:

      (a)    Amount Beneficially Owned:


      (b)    Percent of Class:


      (c)    Number of shares as to which the Bank has:

      (i)    sole power to vote or to direct the
             vote -


      (ii)   shared power to vote or to direct the
             vote -


     (iii)   sole power to dispose or to direct the
             disposition of -


     (iv)    shared power to dispose or to direct
             the disposition of -
CUSIP No. 666807102                     Page 6 of 7 Pages


Item 5       OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

               If this statement is being filed to report
               the fact that as of the date hereof the
               reporting person has ceased to be the
               beneficial owner of more than five percent of
               the class of securities, check the following
               [X].

Item 6       OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF
OF ANOTHER PERSON:

             Not applicable.

Item 7       IDENTIFICATION AND CLASSIFICATION OF THE
SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING
REPORTED ON BY THE PARENT HOLDING COMPANY:

             See Item 3 above.

Item 8       IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF
THE GROUP:

             Not applicable.

Item 9       NOTICE OF DISSOLUTION OF GROUP:

             Not applicable.

Item 10      CERTIFICATION:

             Not applicable.

CUSIP No. 666807102                     Page 7 of 7 Pages


SIGNATURE:

          After reasonable inquiry and to the best of my
knowledge and belief, I certify that the information set
forth in this statement is true, complete and correct.

Date:       as of December 31, 1996

Signature:  Bankers Trust New York Corporation


By:           /s/James T. Byrne, Jr.
Name:            James T. Byrne, Jr.

Title:           Secretary

                      EXHIBIT TO ITEM 7

The chain of ownership from Bankers Trust New York
Corporation to Bankers Trust Company is shown below:


             Bankers Trust New York Corporation
                              
                              |
                            100%
                              |
                              
                    Bankers Trust Company