Defense Logistics Agency (DLA) Aviation is issuing this Sources Sought Notice as a means of conducting market research to determine if other companies are capable of manufacturing (or legitimately obtaining) the following item: NSN 1440-010639703 , ITEM DESCRIPTION: RAIL ASSEMBLY . This item is currently manufactured by Approved Source CAGE 32067; 79U29 UNDER PART NUMBER 14-82003-5. The Weapon System Designator Code is 21F. This Sources Sought Notice is for informational purposes only. This is not a request for an offer. This does not constitute as a solicitation and shall not be construed as a commitment by the Government. Responses in any form are not offers and the Government is under no obligation to award a contract as a result of this announcement. No funds are available to pay for preparation of responses to this announcement. Any information submitted by respondents to this technical description is strictly voluntary. Interested parties who consider themselves qualified to manufacture (or legitimately obtain) the above listed supplies are invited to submit a response to this Sources Sought Notice by 07/13/2026, 3:00pm Eastern Standard Time . All responses under this Sources Sought Notice must be emailed to Xuan T Phan at xuan.phan@dla.mil . Contracting Office Address: 6090 Strathmore Rd., Richmond, VA 23237 If your company desires to be reviewed and qualified as an "Approved Source" for this item, submit an application package through the Source Approval Request (SAR) Program as outlined in the attached JACG SAM HB document. A SAR package contains all of the technical data needed to demonstrate that the prospective contractor can competently manufacture the product to the same level of quality, or better, than the required item. The onus is on the contractor to document and demonstrate their product is equal to, or better, than the currently approved item, which DLA Aviation is procuring.