<PAGE>

                                                                      EXHIBIT 32

                            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 Quarterly Report of Communications & Power Industries
Holding Corporation (the "Company") on Form 10-Q for the period ending January
2, 2004 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, O. Joe Caldarelli, 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:

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

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

/s/ O. Joe Caldarelli

O. Joe Caldarelli
Chief Executive Officer
February 11, 2004
<PAGE>


                            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 Quarterly Report of Communications & Power Industries
Holding Corporation (the "Company") on Form 10-Q for the period ending January
2, 2004 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, Joel Littman, Chief Financial 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:

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

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

/s/ Joel Littman

Joel Littman
Chief Financial Officer
February 11, 2004
<PAGE>


                            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 Quarterly Report of Communications & Power Industries,
Inc. (the "Company") on Form 10-Q for the period ending January 2, 2004 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, O. Joe Caldarelli, 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:

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

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

/s/ O. Joe Caldarelli

O. Joe Caldarelli
Chief Executive Officer
February 11, 2004
<PAGE>


                            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 Quarterly Report of Communications & Power Industries,
Inc. (the "Company") on Form 10-Q for the period ending January 2, 2004 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Joel Littman, Chief Financial 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:

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

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

/s/ Joel Littman

Joel Littman
Chief Financial Officer
February 11, 2004