Merrimac Industries 8-K Departure of Directors or Principal Officers

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of earliest event reported)  October 27, 2004
                                                  ----------------

                            MERRIMAC INDUSTRIES, INC.
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             (Exact name of registrant as specified in its charter)


          Delaware                      0-11201                  22-1642321
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(State or other jurisdiction          (Commission            (I.R.S. Employer
      of incorporation)              File Number)           Identification No.)

41 Fairfield Place, West Caldwell, New Jersey                    07006
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  (Address of principal executive offices)                     (Zip Code)

Registrant's telephone number, including area code (973) 575-1300


- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act
    (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
    240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13a-4(c))





ITEM 5.02  DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS;
           APPOINTMENT OF PRINCIPAL OFFICERS

(b) On October 27, 2004, Robert C. Cargo resigned as a director of Merrimac
Industries, Inc. (the "Company") for personal family reasons.


                                    SIGNATURE

       Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.



                                              MERRIMAC INDUSTRIES, INC.


                                              By: /s/ Robert V. Condon
                                                  -----------------------
                                              Name:  Robert V. Condon
                                              Title: Vice President, Finance and
                                              Chief Financial Officer

Date: October 28, 2004