The government seeks 127 EA of NSN 4820011235362, a check valve, with delivery required within 219 days after date of order to DLA Distribution Puget Sound. This is a source-controlled drawing item with approved sources 51046 1210343 and 91816 P32-533. The RFQ will be available electronically through the provided link, and hard copies will not be available. Furnished items must meet the requirements of the drawing cited in the solicitation, with digitized drawings and military specifications/standards retrievable or orderable electronically. Responsible sources may submit quotes electronically.