8-K

                                  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 8, 2003
                                                          ---------------



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


        Delaware                    0-11201                    22-1642321
        --------                    -------                    ----------
(State of incorporation)    (Commission File Number)          (IRS Employer
                                                          Identification Number)



    41 Fairfield Place, West Caldwell, New Jersey                 07006
    ---------------------------------------------                 -----
      (Address of Principal Executive Offices)                  (Zip Code)




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











Item 5.  Other Events and Required FD Disclosure.

Reference is hereby made to the press release of Merrimac Industries, Inc. dated
October 8, 2003, which is attached hereto as Exhibit 99.1 and incorporated
herein by reference.


ITEM 7.  Financial Statements, Pro Forma Financial Information And Exhibits.

(c) Exhibits.

99.1      Press release dated October 8, 2003 issued by Merrimac Industries,
          Inc., announcing the completion of refinancing.





                                    SIGNATURE

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


Dated October 9, 2003

                                            MERRIMAC INDUSTRIES, INC.

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

EX-99.1

                                                                    Exhibit 99.1


FOR IMMEDIATE RELEASE
- ---------------------

CONTACT:     Mason N. Carter, Chairman & CEO
             973-575-1300, ext. 1202
             mnc@merrimacind.com



                         MERRIMAC COMPLETES REFINANCING


WEST CALDWELL, N.J. OCTOBER 8, 2003: Merrimac Industries, Inc. (AMEX: MRM) today
announced the refinancing of its revolving credit, term loan and letter of
credit facility with CIT Business Credit, a unit of CIT Group Inc (NYSE:CIT).
The refunding, which replaces a similar facility with another lender, represents
a three-year secured revolving credit, term loan and letter of credit facility
for $9,250,000.


ABOUT MERRIMAC

Merrimac Industries, Inc. is a leader in the design and manufacture of Multi-Mix
PICO(TM) RF Microwave components, assemblies and micro-multifunction modules
(MMFM(R)), serving the wireless telecommunications industry worldwide with
enabling technologies for space, defense and commercial applications. Merrimac
is focused on providing Total Integrated Packaging Solutions(R) with
Multi-Mix(R) Microtechnology, a leading edge competency providing value to our
customers through miniaturization and integration. The Multi-Mix(R) process for
microwave, multilayer integrated MMFM(R) circuitry is a patented method
developed by Merrimac Industries based on fluoropolymer composite substrates.
The fusion bonding of multilayer structures provides a homogeneous dielectric
medium for superior electrical performance at microwave frequencies. The bonded
layers may incorporate embedded semiconductor devices, MMICs, etched resistors,
passive circuit elements and plated-through via holes to form a
three-dimensional subsystem enclosure that requires no further packaging.
Merrimac Industries facilities are registered under ISO 9000, an internationally
developed set of quality criteria for manufacturing operations.

Merrimac Industries, Inc. and its subsidiary Filtran Microcircuits Inc., are
located in West Caldwell, NJ, San Jose, Costa Rica and Ottawa, Ontario, Canada,
have approximately 210 co-workers dedicated to the design and manufacture of
signal processing components, gold plating of high-frequency microstrip, bonded
stripline and thick metal-backed Teflon (PTFE) micro-circuitry and subsystems
providing Total Integrated Packaging Solutions(R) for wireless applications.
Merrimac (MRM) is listed on the American Stock Exchange. Multi-Mix(R), Multi-Mix
PICO(TM), MMFM(R) and Total Integrated Packaging Solutions(R) are trademarks of
Merrimac Industries, Inc. For more information about Merrimac Industries, Inc.
and Filtran Microcircuits Inc., please visit http://www.merrimacind.com and
http://www.filtranmicro.com.