The government is procuring 134 EA of a check valve, NSN 4820011235362, for delivery to DLA Distribution Puget Sound within 211 days after date of order. This is a source-controlled drawing item with approved sources 02250 60390, 51046 1210343, and 91816 P32-533. It will be solicited as an RFQ available through the provided link, and hard copies will not be available. The furnished items must meet the cited drawing, and digitized drawings plus military specifications and standards may be retrieved or ordered electronically. All responsible sources may submit an electronic quote for timely consideration.