NAVSUP Weapon Systems Support of Department of the Navy posted this Presolicitation on Oct 22, 2026. Responses are due Nov 21, 2026. NAICS 334511 (Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing), product or service code 5826 (Radio Navigation Equipment, Airborne). Solicitation number N0038327QN142.