This procurement is for a check valve (NSN 4820011526213), quantity 8 units, with delivery to DLA Distribution Depot Oklahoma within 171 days after date of order. It is a source-controlled drawing item with an approved source of 59364 3202242-1-1, and the furnished items must meet the drawing requirements. The solicitation is an RFQ available only electronically, with no hard copies provided. Digitized drawings and military specifications may be retrieved electronically. All responsible sources may submit electronic quotes for consideration.