Presolicitation notice from the Department of Defense, Department of the Navy, for the repair/modification of an air speed indicator. The air speed indicator is a flight instrument used to measure the speed of an aircraft. The notice specifies the National Stock Number (NSN), technical data requirements, quantity of 12 units, and delivery FOB origin. The government does not own the data or rights to the data needed to purchase/contract repair of this part from additional sources. The item requires government source approval due to its flight critical nature and inadequate technical data. Only previously approved sources have been solicited. Interested parties must submit the required information for source approval. The notice also provides links to additional information on spares and repair. The proposed contract action is for supplies or services for which the government intends to solicit and negotiate with only one source. All responsible sources may identify their interest and capability to respond to the requirement. The notice includes information on qualification requirements and applicable trade agreements.