National Presto Industries (NPK) 10-Q 2010 Q3 Quarterly report

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. §1350 (as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002), I, the undersigned Chief Financial Officer of National Presto Industries, Inc. (the “Company”), hereby certify that the Quarterly Report on Form 10-Q of the Company for the quarterly period ended October 3, 2010 (the “Report”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the SEC or its staff upon request.

Date: November 12, 2010	By:	/s/ Randy Lieble
		Randy Lieble
		Chief Financial Officer