The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 13 units of the GEARBOX ASSEMBLY, AI, identified by NSN 7R-1680-016739960-EY. This procurement requires engineering source approval due to the flight-critical nature of the item, necessitating that only approved sources may submit proposals, and any new sources must undergo a qualification process prior to contract award. The selected supplier will be responsible for ensuring the quality and compliance of the part, with the expectation that the award will likely be made to G & G Technical, Inc. Interested parties must submit their proposals, including any necessary source approval documentation, within 45 days of the notice, and can direct inquiries to Katlyn M. Galetto at Katlyn.Galetto@navy.mil.