This notice describes a non-commercial supply requirement for a part that requires engineering source approval, with a quantity of 63 units. Only approved sources hold the necessary manufacturing knowledge and data rights; alternate sources must qualify in accordance with government-approved procedures. The government intends to solicit and negotiate with only one source under FAR 6.302-1, but responsible parties may express interest and capability. Any award will require the offeror, product, or manufacturer to meet qualification requirements at the time of award. The contract will not be acquired under commercial item procedures.