This is a procurement for five vent-check valves to be delivered to the DLA Distribution center within 73 days after receipt of order. The approved sources for the valve are 09032 52-95F 4INBRZ and 0W5R1 52-95F 4INBRZ. The solicitation is an RFQ available only electronically, as no hard copies, specifications, plans, or drawings are provided. All responsible sources may submit an electronic quote for consideration.