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                                                                    Exhibit 10.2

                                 AMENDMENT No. 6

                                       to

                   AMETEK 401(k) PLAN FOR ACQUIRED BUSINESSES


                  WHEREAS, there was adopted and made effective as of May 1,
1999, the AMETEK 401(k) Plan for Acquired Businesses (the "Acquired Businesses
Plan"); and

                  WHEREAS, Section 10.1 of the Plan provides that AMETEK, Inc.
("AMETEK") may amend the Plan at any time, and from time to time; and

                  WHEREAS, AMETEK now desires to amend the Plan in certain
respects;

                  NOW, THEREFORE, the Plan is hereby amended as follows:

         FIRST: Schedule I is hereby amended, to read in its entirety as
follows:

                                   "SCHEDULE I



             Subsidiary/Division                                Employer Matching Contribution
             -------------------                                ------------------------------
                                                             
     Aerospace Division (Costa Mesa Plant)                                    4%
     AMETEK Patriot Sensors Division (Michigan)                               3%
     AMETEK Aerospace Patriot Products                                        3%
          (California)
     AMETEK Patriot Sensors Division (Pennsylvania)                           3%
     (known as Drexelbrook Controls, Inc. until merged into
     Patriot on 1/12/00)"
     AMETEK National Controls Corporation Retirement                          5%
           Savings Plan
     AMETEK Prestolite Power & Switch Division (Ohio)                         3%
     AMETEK Lamb Electric Division (Michigan Plant)                           3%
     AMETEK Lamb Electric Division (Oklahoma Plant)                           3%
     AMETEK Lamb Electric Division (Alabama Plant)                            3%
     Aerospace and Power Instruments Division (Rochester, NY)                 5%


         SECOND: The provisions of this Amendment No. 6 shall be effective as of
October 1, 2000.




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         IN WITNESS WHEREOF, AMETEK has caused these presents to be executed, in
its corporate name, by its duly authorized officer on this 12th day of
September, 2000.

                                                   AMETEK, Inc.

                                                   By: /s/ Donna F. Winquist
                                                      -----------------------


Attest:

 /s/ Kathryn E. Londra
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