EXHIBIT 32.2
                                                                    ------------
                            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  October 31, 2004, as filed with
the Securities  and Exchange  Commission on the date hereof (the  "Report"),  I,
Thomas V.  Gilboy,  Chief  Financial  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 9, 2004

                                     By:           /s/ Thomas V. Gilboy
                                              ------------------------------
                                     Name:    Thomas V. Gilboy
                                     Title:   Chief Executive Officer