Proposed procurement for NSN 4820015035727 VALVE,CHECK: Line 0001 Qty 3 UI EA Deliver To: DLA DISTRIBUTION DEPOT HILL By: 0171 DAYS ADO Approved source is 0B9R9 4C4580. The solicitation is an RFQ and ... Proposed procurement for NSN 4820015035727 VALVE,CHECK: Line 0001 Qty 3 UI EA Deliver To: DLA DISTRIBUTION DEPOT HILL By: 0171 DAYS ADO Approved source is 0B9R9 4C4580. The solicitation is an RFQ and will be available at the link provided in this notice. Hard copies of this solicitation are not available. Specifications, plans, or drawings are not available. All responsible sources may submit a quote which, if timely received, shall be considered. Quotes must be submitted electronically.