The government seeks a check valve, NSN 4820004512682, under a proposed procurement. The requirement is Line 0001 for quantity 87 EA, delivered to W1A8 DLA Distribution within 405 days after date of order. The solicitation will be an RFQ available via the provided link, and hard copies will not be available. Digitized drawings and military specifications/standards may be retrieved or ordered electronically. All responsible sources may submit quotes electronically, and timely received quotes will be considered.