The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 13 units of a flight instrument subassembly, identified by NSN 0R-6610-017209755-P8 and reference number 1729519. This procurement requires engineering source approval due to the critical nature of the item, necessitating that only approved sources may submit proposals, as the item is essential for maintaining flight safety and operational integrity. Interested vendors must provide comprehensive documentation demonstrating their qualifications and experience in producing similar items, as well as comply with the source approval process outlined by NAVSUP WSS. Proposals must be submitted within 45 days of this notice, and inquiries can be directed to Arianna G. Pilla at (215) 697-2198 or via email at ARIANNA.G.PILLA.CIV@US.NAVY.MIL.