This procurement is for a check valve (NSN 4820009175350) with a quantity of 205 units, requiring delivery 175 days after order. The contract may be set up as an Indefinite Delivery Contract with a one-year term or until the aggregate total of orders reaches $350,000. An estimated 2 orders will be placed per year, with a guaranteed minimum quantity of 30 units. Items will be shipped to various DLA Depots within the continental U.S. and overseas via consolidation and containerization points. Approved sources are specified, and quotes must be submitted electronically in response to the RFQ.