NAVSUP Weapon Systems Support Mechanicsburg intends to solicit on a sole-source basis with L3 Harris (CAGE 04801) for repair of digital microcircuits, NIIN 7H-5962-015353563-VN, part 600-42003, quantity 4 EA, for Sub Engineering Systems. L3 Harris is the OEM and only known repair source; the Government lacks drawings/data rights, and non-approved sources must submit a Source Approval Request, though award will not be delayed for SAR approval. The contract duration will be one year, with UID requirements and Buy American clauses applicable, under FAR Part 15 procedures and not as a commercial-item or Total Small Business Set-Aside acquisition. Delivery is to DLA Distribution New Cumberland, PA, and DLA Distribution San Joaquin, Tracy, CA; the solicitation is expected to issue on or about September 17, 2026, and award is anticipated November 2, 2026. All responsible sources may submit a capability statement, proposal, or quotation for consideration.