This procurement is for 23 units of a source-controlled check valve (NSN 4820013188732), with delivery required within 188 days after order. The contract may be set up as an Indefinite Delivery Contract with a one-year term, an estimated 2 orders per year, and a guaranteed minimum quantity of 3 units, up to a total aggregate value of $350,000. Items will be shipped to various CONUS and OCONUS DLA depots via consolidation and containerization. The approved source is 99240 2S6172, and the items must meet the requirements of the cited drawing. All responsible sources may submit electronic quotes for consideration.