IEH Corp

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934 (Amendment No. )

Check the appropriate box:

IEH Corporation

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

140 58 th Street, Bldg. B, Suite 8E

October 30, 2026

Dear Fellow Shareholders:

We are pleased to invite you to attend the 2026 Annual Meeting of Shareholders of IEH Corporation (“IEH”) to be held on Thursday, November 12, 2026, at 10:00 A.M., Eastern time (the “2026 Annual Meeting”). The IEH Board of Directors has directed the 2026 Annual Meeting be held as a “hybrid meeting” which means that we will host the 2026 Annual Meeting at our manufacturing facility located at 200 Cascade Drive, Suite H, Allentown, PA 18109, and also enable remote participation, including voting, via the Internet. Shareholders are, of course, welcome to come to our Allentown facility and tour the facility prior to the commencement of the 2026 Annual Meeting.

As described in this proxy statement, you will be able to attend the 2026 Annual Meeting in-person and vote, or prior to 11:59 P.M. (Eastern time), on Wednesday, November 11, 2026, vote remotely by proxy, by mail or by the Internet. You will also be able to submit questions for management to address at the 2026 Annual Meeting, either by attending the 2026 Annual Meeting and asking questions during the question and answer (Q&A”) portion of the 2026 Annual Meeting, or by submitting your questions to the following email address: dave@iehcorp.com. While you will be able to submit questions virtually during the meeting, we encourage you to submit your questions prior to 5:00 P.M. (Eastern time), on Wednesday, November 11, 2026.

The scheduled matters to be considered and acted on at the 2026 Annual Meeting are: (1) the election of four (4) Class I Directors to two-year terms; (ii) a non-binding advisory vote to approve our named executive officers’ compensation; (iii) a non-binding advisory vote on the frequency of future “say-on-pay” votes by shareholders on the compensation of named executive officers; and (iv) ratification of the appointment of CBIZ CPAs P.C. as our independent registered public accounting firm for the fiscal year ending March 31, 2027. Detailed information concerning these matters is set forth in the attached Notice of Annual Meeting of Shareholders and Proxy Statement. We will also report on matters of interest to our shareholders.

We hope you will be able to attend the 2026 Annual Meeting. Whether or not you plan to attend in-person, it is important that your shares be represented and voted. Please read the instructions in the proxy materials on how to vote by proxy.

Thank you for your continued support of IEH Corporation.

Sincerely,

/s/ Dave Offerman

Dave Offerman

Chairman of the Board, President and Chief Executive Officer

140 58 th Street, Bldg. B, Suite 8E

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

To Be Held on Thursday, November 12, 2026

To the Shareholders of IEH CORPORATION:

NOTICE IS HEREBY GIVEN that the Annual Meeting of Shareholders of IEH CORPORATION, a New York corporation (“IEH” or the “Company”) will be held on Thursday, November 12, 2026, at 10:00 A.M. (Eastern time) (the “2026 Annual Meeting”). The IEH Board of Directors has directed that the 2026 Annual Meeting be held as a “hybrid meeting” which means that we will host the meeting at the Company’s manufacturing facility located at 200 Cascade Drive, Suite H, Allentown, PA 18109, and also enable remote participation, including voting, via the Internet. You will be able to attend the 2026 Annual Meeting in person and vote in person at the 2026 Annual Meeting, or prior to 11:59 P.M. (Eastern time), on Wednesday, November 11, 2026, vote remotely by proxy, either by mail, by telephone or by the Internet. Regardless of how you may choose to attend the meeting (in-person or virtually), you will also be able to submit questions for management to address at the 2026 Annual Meeting during the question and answer (“Q&A”) portion of the 2026 Annual Meeting, either by attending the 2026 Annual Meeting in-person, or by submitting your questions to the following email address: dave@iehcorp.com. While you will be able to submit questions virtually during the 2026 Annual Meeting, we encourage you to submit your questions prior to 5:00 P.M. (Eastern time), on Wednesday, November 11, 2026. The 2026 Annual Meeting will be held for the following purposes:

1. To elect four (4) Class I Directors to IEH’s Board of Directors to hold office for a period of two (2) yearsor until their respective successors are duly elected and qualified;

2. To hold a non-binding advisory vote on the compensation of our named executive officers;

3. To hold a non-binding advisory vote on the frequency of future “say-on-pay” advisory votes on the compensation of named executive officers.

4. To ratify the appointment of CBIZ CPAs P.C., as our independent registered public accounting firm for the fiscal year ending March 31, 2027; and

5. To transact such other business as may properly come before the 2026 Annual Meeting or any adjournment thereof.

As the 2026 Annual Meeting will be a “hybrid meeting”, shareholders will have the ability to attend the Annual Meeting either in-person or remotely via Microsoft TEAMS video conferencing. Shareholders will be able to vote and pose questions regardless of how they may choose to attend the 2026 Annual Meeting but voting remotely must be submitted electronically by the Internet atwww.investorvote.com/IEHC by 11:59 P.M. on Wednesday, November 11, 2026.

Regardless of how you may choose to attend the meeting (in-person or virtually), you will also be able to submit questions for management to address at the 2026 Annual Meeting during the question and answer (“Q&A”) portion of the 2026 Annual Meeting, either by attending the 2026 Annual Meeting in-person, or by submitting your questions to the following email address: dave@iehcorp.com. While you will be able to submit questions virtually during the meeting, we encourage you to submit your questions prior to 5:00 P.M. (Eastern time), on Wednesday, November 11, 2026.

The close of business on Monday, October 5, 2026 has been fixed as the Record Date for the determination of shareholders entitled to notice of, and to vote at, the 2026 Annual Meeting and any adjournment thereof.

You are urged to return your proxy card or vote before Thursday, November 12, 2026, the date of the 2026 Annual Meeting via (i) our Internet process by electronic voting atwww.investorvote.com/IEHC; (ii) telephone voting by calling the toll-free number — 1-800-652-VOTE (8683) within the U.S.A., U.S. territories and Canada; or (iii) mailing your proxy card in the envelope provided so that your proxy vote is received by Computershare,

the Company’s transfer agent, on or before Wednesday, November 11, 2026, the day before the 2026 Annual Meeting. Votes may be submitted electronically by the Internet process not later than 11:59 P.M., Wednesday, November 11, 2026.

The Company will also provide the ability to watch and listen to the 2026 Annual Meeting live via Microsoft TEAMS video conferencing.

The following are the instructions to participate via Microsoft TEAMS video conferencing in the 2026 Annual Meeting:

Please visit on your mobile device or PC the following website:

www.microsoft.com/en-us/microsoft-teams/join-a-meeting

Microsoft Teams meeting

Meeting ID: 266 651 772 549 452

Meeting Password: 6Qx3gV24

Dial in by phone

You may use your mobile device or PC’s speaker and microphone for the audio portion (if available) or you may call:

Telephone Dial In: +1-213-436-3154 52532293# United States

Phone Conference ID: 525 322 93#

If you do not have Internet access or prefer to just call in through your telephone, please simply call the telephone number above, and use the Phone Conference ID listed above.

Please see pages 3 – 4 of this Proxy Statement for additional information about voting, and accessing the Microsoft TEAMS website.

Whether or not you plan to participate, to ensure that your shares are represented and voted at the 2026 Annual Meeting, please either vote your shares: (i) by completing and returning your proxy card mailed to you together with this Proxy Statement; or (ii) electronically over the Internet or (iii) by telephone. Voting instructions are printed on your proxy card and included in the accompanying Proxy Statement. Please vote as promptly as possible in order to ensure your representation at the meeting. Submitting your instructions by any of these methods will not affect your right to attend the meeting and vote in person. Any prior proxy will automatically be revoked if you execute the accompanying proxy or if you notify the Corporate Secretary of the Company, in writing, prior to the 2026 Annual Meeting.

We are furnishing proxy materials to our shareholders by mailing printed copies of these materials to each record shareholder as of Monday, October 5, 2026, the Record Date. On or about October 30, 2026, we mailed to our shareholders our proxy materials, including our Proxy Statement and our 2026 Annual Report. In addition, proxy materials are available via the Internet as set forth below:

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Shareholders on Thursday, November 12, 2026

This Proxy Statement and Our Annual Report to Shareholders for the Fiscal Year Ended March 31, 2026, respectively, are also available at: http://www.investorvote.com/IEHC

By Order of the Board of Directors, dated October 30, 2026

/s/ Dave Offerman

Dave Offerman

Chairman of the Board, President and Chief Executive Officer