This is a competitive procurement for an Oil Drain Attachment, part number 4106AS0315-1, NSN 4720-01-733-4712, supporting the MQ-25 Stingray Unmanned Aircraft Systems (UAS) Program. The government anticipates awarding a single, fixed-price, three-year Indefinite Delivery/Indefinite Quantity (IDIQ) contract. Offerors must submit proposals electronically through the Solicitation Module within the Procurement Integrated Enterprise Environment (PIEE). Full requirements and instructions are provided in the attached solicitation and attachments.