EXHIBIT 32.1
                                                                    ------------

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350

In  connection  with the  Quarterly  Report  of  Herley  Industries,  Inc.  (the
"Company")  on Form 10-Q for the quarter  ended  November 2, 2003, as filed with
the Securities  and Exchange  Commission on the date hereof (the  "Report"),  I,
Myron  Levy,  Vice  Chairman  of the Board and Chief  Executive  Officer  of the
Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

     (1) The Report fully  complies  with the  requirements  of Section 13(a) or
         15(d) of the Securities Exchange Act of 1934; and

     (2) The  information  contained  in  the  Report  fairly  presents,  in all
         material respects, the financial condition and results of operations of
         the Company.


                                         Date:    December 17, 2003

                                         By:          /s/ Myron Levy
                                                  ------------------------------
                                         Name:    Myron Levy
                                         Title:   Vice Chairman of the Board and
                                                  Chief Executive Officer