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): June 1, 2004
                                                           ------------

                                    HEI, Inc.
               (Exact name of Registrant as Specified in Charter)

         Minnesota                      0-10078                  41-0944876
- ----------------------------          ------------           -------------------
(State or Other Jurisdiction          (Commission            (IRS Employer
of Incorporation)                     File Number)           Identification No.)

         PO Box 5000, 1495 Steiger Lake Lane, Victoria, Minnesota 55386
         --------------------------------------------------------------
          (Address of Principal Executive Offices, including Zip Code)

                                 (952) 443-2500
                                 --------------
              (Registrant's telephone number, including area code)

                                       N/A
          -------------------------------------------------------------
          (Former name or former address, if changed since last report)



Item 5. OTHER EVENTS.

      On June 1, 2004, HEI, Inc. ("the Company") today announced that the
Company signed a purchase agreement for the Company's Boulder, Colorado
facility.

A copy of the press release is attached as Exhibit 99.1 and incorporated herein
by reference.

Item 7. FINANCIAL STATEMENTS AND EXHIBITS.

      (a)   Financial Statements.

            Not Applicable.

      (b)   Pro Forma Financial Information.

            Not Applicable.

      (c)   Exhibits:

            99.1  Press Release dated June 1, 2004, regarding the Company
                  signing a purchase agreement for the Company's Boulder,
                  Colorado facility.

                                   SIGNATURES

      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.

                                                 HEI, INC.

Dated: June 1, 2004                              By /s/ Douglas Nesbit
                                                    ----------------------------
                                                    Douglas Nesbit
                                                    Its: Chief Financial Officer


                                  Exhibit Index

99.1 Press Release dated June 1, 2004, regarding the Company signing a purchase
agreement for the Company's Boulder, Colorado facility.