NAVSUP Weapon Systems Support Philadelphia intends to competitively solicit repair of the C-130 encoding altimeter, NSN 7R-6610-012590251, part number 518-28007-204, quantity 13, with delivery FOB origin. Limited sources are permitted under 10 USC 3204(a)(1) and FAR 13.106-1(b)(1), and approved sources are ElbitAmerica Inc, Professional Aircraft Accessories Inc, and Quality Aviation Instruments Inc. The acquisition will use FAR Part 13 and Part 15 procedures, with commercial-item policies under FAR Part 12, and a Source Approval Statement applies. This is not a Total Small Business Set-Aside, and electronic procedures will be used; the approximate solicitation issue date is October 4, 2026. Interested organizations may email capabilities and qualifications to the NAVSUP WSS N7 Contract Specialist, Brian Furness.