Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a parts kit for landing gear components. This kit is used in the repair and modification of aircraft landing gear. The procurement requires 28 units to be delivered FOB origin. The part requires engineering source approval to maintain quality and can only be acquired from approved sources. Alternate sources must qualify according to the design control activity's procedures. Government source approval is required prior to contract award due to the item's flight critical nature. Interested parties must submit the necessary information for source approval. The proposed contract action is for a single source, but all responsible sources may express interest or submit proposals. The Government will consider all proposals received within 45 days.