The government is procuring 12 EA of a check valve (NSN 4820000617878), with delivery required to DLA Distribution San Diego within 217 days after date of order. Approved sources include 26512 79F903526-1, 3H889 1112-599317, 76301 7M92-12D, 79RG9 128SC-H135-12, 92003 1112-589994, and 99240 2C5012. The solicitation is an RFQ available via the provided link; hard copies, specifications, plans, and drawings are not available. All responsible sources may submit an electronic quote, and timely received quotes will be considered.