This is a non-competitive, sole-source procurement for a flight-critical part where the government lacks the technical data to compete the acquisition. The item requires government source approval prior to award, and only previously approved sources have been solicited. Unapproved sources must submit a comprehensive source approval package with their proposal, as the standard approval timeline is too long to delay an award. The government intends to negotiate with only one source, but it will consider capability statements from other responsible sources received within 45 days of the notice's publication. The delivery terms are FOB Origin.