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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                       ----------------------------------


                                    FORM 8-A

               FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                   PURSUANT TO SECTION 12(b) OR 12(g) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                                IDEX Corporation
             ------------------------------------------------------
             (Exact Name of Registrant as Specified in its Charter)



                   Delaware                       36-3555336
  ----------------------------------------  ----------------------- 
  (State of Incorporation or Organization)  (I.R.S. Employer 
                                            Identification No.)
       630 Dundee Road
       Northbrook, Illinois                    60062
 -----------------------------------------  ---------------------
 (Address of principal executive offices)   (Zip Code)
  If this Form relates to the               If this Form relates to the
  registration of a class of debt           registration of a class of debt
  securities and is effective upon filing   securities and is to become
  pursuant to General Instruction A(c)(1),  effective simultaneously with
  please check the following box. / /       the effectiveness of a
                                            concurrent registration
                                            statement under the
                                            Securities Act of 1933 pursuant to
                                            General Instruction A(c)(2),
                                            please check the following box. / /


Securities to be registered pursuant to Section 12(b) of the Act:

       TITLE OF EACH CLASS                      NAME OF EACH EXCHANGE ON WHICH
       TO BE SO REGISTERED                      EACH CLASS IS TO BE REGISTERED
       -------------------                      -------------------------------

      Common Stock, $.01 Par Value              New York Stock Exchange, Inc.
      ----------------------------              -----------------------------
                                                Chicago Stock Exchange, Inc.
      ----------------------------              -----------------------------


SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

                                     None
- --------------------------------------------------------------------
                                (Title of class)

- --------------------------------------------------------------------
                                (Title of class)


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Item 1.  Description of Securities to be Registered.
         -------------------------------------------

     Incorporated herein by reference to the information set forth under
"Description of Capital Stock" in Amendment No. 1 to the Registration Statement
on Form S-2 of IDEX Corporation, Registration No. 33-42208, as filed on
September 12, 1991.  Information regarding dividend restrictions is
incorporated herein by reference to information set forth under "Description of
Notes -- Limitation on Restricted Payments" in Amendment No. 2 to the
Registration Statement on Form S-1 of IDEX Corporation, Registration No.
33-50220, as filed on September 15, 1992.

     At the Annual Shareholders' Meeting of IDEX Corporation (the "Company") on
March 26, 1996, the Company's shareholders approved an amendment (the
"Amendment") to the Company's Restated Certificate of Incorporation providing
that the total number of shares which the Company shall have authority to issue
is 80,000,000, consisting of 5,000,000 shares of preferred stock and 75,000,000
shares of Common Stock.  The Company filed the Amendment with the Delaware
Secretary of State on March 27, 1996.

                 1/
Item 2.  Exhibits
         ---------

         1. IDEX Corporation's Report on Form
            10-K for the fiscal year ended December
            31, 1995;
         
         2. IDEX Corporation's Restated
            Certificate of Incorporation, as amended;
         
         3. IDEX Corporation's Amended and
            Restated By-Laws;
         
         4. IDEX Corporation's Notice and
            Proxy Statement for The Annual
            Shareholders' Meeting held March 26, 1996;
         
         5. A specimen of IDEX Corporation's
            Common Stock Certificate.


- ---------------         
1.  Per Instruction II as to Exhibits, filed only with the Chicago Stock
Exchange, Inc.

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                                  SIGNATURE

     Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, the registrant has duly caused this registration statement to be
signed on its behalf by the undersigned, thereto duly authorized.

                              IDEX Corporation




Dated:  April  , 1996         By: 
                                 -----------------------
                                  Wayne P. Sayatovic
                                  Senior Vice President - Finance, 
                                  Chief Financial Officer and 
                                  Secretary