Presolicitation notice from the Department of Defense, specifically the Department of the Navy, is seeking a service/item related to light assembly. The service/item being procured is typically used for miscellaneous aircraft accessories and components. The notice includes the National Stock Number (NSN), reference number, quantity, and delivery requirements. Government source approval is required for this flight critical item. Interested parties must submit the necessary technical data and documentation for source approval. Failure to provide all required data will result in disqualification. Additional information can be obtained from the NAVSUP Weapon Systems Support office.