The procurement is for NSN 4820012178241, specifically 764 units of a flap valve non-return item, with delivery required 147 days after order. It may result in a one-year Indefinite Delivery Contract, with an estimated 2 orders per year, a guaranteed minimum quantity of 114, and a total aggregate order cap of $350,000. Items will be shipped to various CONUS and OCONUS DLA depots via a consolidation and containerization point. Approved sources are listed, and the solicitation is an RFQ with no hard copies, drawings, or specifications available; quotes must be submitted electronically.