# EDGAR Filing Document

**Accession Number:** 0001792162
**File Stem:** 0001493152-26-021036
**Filing Date:** 2026-5
**Character Count:** 6175
**Document Hash:** 53b999d9bc3b9ddb2d7f54ae6447297c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-26-021036.hdr.sgml**: 20260504

**ACCESSION NUMBER**: 0001493152-26-021036

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260504

**DATE AS OF CHANGE**: 20260504

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RELIABILITY INC
- **CENTRAL INDEX KEY:** 0000034285
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-HELP SUPPLY SERVICES [7363]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 750868913
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-11900
- **FILM NUMBER:** 26935177

**BUSINESS ADDRESS:**
- **STREET 1:** 22505 GATEWAY CENTER DRIVE
- **STREET 2:** P.O. BOX 71
- **CITY:** CLARKSBURG
- **STATE:** MD
- **ZIP:** 20871
- **BUSINESS PHONE:** (203) 489-9500

**MAIL ADDRESS:**
- **STREET 1:** 22505 GATEWAY CENTER DRIVE
- **STREET 2:** P.O. BOX 71
- **CITY:** CLARKSBURG
- **STATE:** MD
- **ZIP:** 20871

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FAIRLANE INDUSTRIES INC
- **DATE OF NAME CHANGE:** 19800519
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TSAHALIS NICK
- **CENTRAL INDEX KEY:** 0001792162

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D

**MAIL ADDRESS:**
- **STREET 1:** C/O RELIABILITY INCORPORATED
- **STREET 2:** 22 BALTIMORE ROAD
- **CITY:** ROCKVILLE
- **STATE:** MD
- **ZIP:** 20850

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**RELIABILITY INC**

*(Name of Issuer)*

**Common Stock, par value $0.001 per share**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Nick Tsahalis**<br>22505 Gateway Center Drive<br>Box 71<br>Clarksburg MD 20871<br>240-793-9603

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**04/07/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Nick Tsahalis** | Name of reporting person<br>**Nick Tsahalis** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**3276052.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3276052.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3276052.00** | Aggregate amount beneficially owned by each reporting person<br>**3276052.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**7.01%** | Percent of class represented by amount in Row (11)<br>**7.01%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.001 per share

**(b) Name of Issuer:**
RELIABILITY INC

**(c) Address of Issuer's Principal Executive Offices:**
22505 Gateway Center Drive, Box 71, Clarksburg, MD, 20871

**Item 4. Purpose of Transaction**

Nick Tsahalis acquired the shares for investment and strategic purposes.

Nick Tsahalis may, in his capacities as officer and director of the Issuer, engage in discussions with management and the Board regarding strategic alternatives, including capital raising transactions, potential business combinations, operational initiatives, and other actions intended to enhance shareholder value.

Nick Tsahalis does not currently have any plans or proposals to effect any of the transactions described in clauses (a) through (j) of Item 4 of Schedule 13D, although he may, from time to time, evaluate such alternatives in light of his role with the Issuer.

Depending on market conditions and other factors, Nick Tsahalis may acquire additional shares or dispose of shares of the Issuer.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Nick Tsahalis beneficially owns 3,276,052 shares of Common Stock, representing approximately 7.01% of the Issuer's outstanding Common Stock.

**(b)**
Nick Tsahalis has sole voting and dispositive power over 3,276,052 shares.

**(c)**
Except as described herein, no transactions in the Common Stock were effected by Nick Tsahalis during the past 60 days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Other than as described herein, there are no contracts, arrangements, understandings or relationships among the Reporting Person, or between the Reporting Person and any other person, with respect to the securities of the Issuer.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Nick Tsahalis

**Signature:** /s/ Nick Tsahalis

**Name/Title:** Nick Tsahalis, CEO and Director

**Date:** 05/04/2026