About this file

This document is a Questions and Answers (Q&A) addendum for solicitation N62478-26-R-5051, dated December 29, 2025. The Q&A addresses a discrepancy in the North American Industry Classification System (NAICS) code between the solicitation document and the SAM.gov posting. Specifically, Question 21 highlights that the SAM site initially listed the NAICS code as 541330, while the solicitation document referenced 541310. The response confirms that the NAICS code for the solicitation posting on SAM.gov has been revised to 541310, which is the code referenced in the original solicitation document. The modification is noted as Mod No. 2.

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N62478-26-R-5051

December 29, 2025

Ques.

No.

Question Response Mod No.

21 The SAM site shows the solicitation as NAICS 541330 not 541310 as the solicitation document itself references.

(General) The NAICS for the solicitation is 541310. The posting on SAM.gov has been revised.

File details come from the government source that posted it. Updated .