The government is procuring 19 units of a check valve (NSN 4820001001067). Delivery is required to DLA Distribution Warner Robins within 62 days after date of order. This is a source-controlled drawing item with approved sources 79318 26620469 and 99167 26620469. The RFQ will be available through the provided link, hard copies will not be provided, and items must meet the cited drawing requirements. Digitized drawings and military specifications/standards may be retrieved or ordered electronically, and all responsible sources may submit quotes electronically for timely consideration.