EXHIBIT 32.1

            SECTION 1350 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

The undersigned, Chairman, President and Treasurer, of Jaco Electronics, Inc.
(the "Company"), hereby certifies pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my
knowledge, that: (1) the Annual Report on Form 10-K of the Company for the year
ended June 30, 2004 (the "Annual Report") accompanying this certification fully
complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934, as amended; and (2) the information contained in the
Annual Report fairly presents, in all material respects, the financial condition
and results of operations of the Company as of the dates and for the periods
presented as required by such report. The foregoing certification is based upon,
among other things, my responsibilities as principal executive officer of the
Company, my own due diligence and representations made by certain other members
of the Company's senior management.

Date: September 28, 2004

                                              /s/ Joel H. Girsky
                                              ----------------------------------
                                              Joel H. Girsky
                                              Chairman, President and Treasurer
                                              (Principal Executive Officer)