EXHIBIT 32.1

                                  AMETEK, INC.

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of AMETEK, Inc. (the "Company") on Form
10-K for the year ended December 31, 2005 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Frank S. Hermance,
Chairman and Chief Executive Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:

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

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

/s/ Frank S. Hermance
- ------------------------------------------
Frank S. Hermance
Chairman and Chief Executive Officer

Date: March 1, 2006

A signed original of this written statement required by Section 906 has been
provided to AMETEK, Inc. and will be retained by AMETEK, Inc. and furnished to
the Securities and Exchange Commission or its staff upon request.