Presolicitation notice from the Department of Defense, specifically the Department of the Navy, is seeking to procure a window washer pump. This item, categorized under miscellaneous aircraft accessories and components, is used for cleaning windows on aircraft. The notice states that the government requires source approval prior to contract award due to the item's flight critical nature and the need for adequate technical data. Only previously approved sources have been solicited. Interested parties must submit the necessary information outlined in the NAVSUP Weapon Systems Support Source Approval Information Brochures. The notice also mentions that if source approval cannot be processed in time, the government may proceed with awarding the contract based on fleet support needs. The proposed contract action is for full and open competition. All responsible sources are invited to express their interest and capability to respond to the requirement. The notice also mentions that the acquisition may be subject to Free Trade Agreements and the Buy American Act.