The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 16 units of a flight-critical thruster cartridge, identified by NSN 1R-1377-011569797-GF and reference number 2715200-4. The procurement requires government source approval prior to contract award, as the technical data available does not support acquisition through full and open competition, necessitating that only previously approved sources be solicited. Interested vendors must submit comprehensive documentation demonstrating their capability to produce the item, including any prior source approval requests, as offers lacking required data will not be considered. For further inquiries, Danielle Diciacco can be contacted at (215) 697-5970 or via email at DANIELLE.DICIACCO.CIV@US.NAVY.MIL, with proposals due within 45 days of the notice publication.