This procurement is for 2 units of a specific calibrated flow valve (NSN 4820012887970), with delivery required within 168 days after order to DLA Distribution (W1A8). The only approved source is 04577 2870-0001-23, and no specifications, plans, or drawings are available. Quotes must be submitted electronically, and all responsible sources are eligible to respond. No budget amount is specified, and no performance location beyond the delivery destination is provided. The opportunity is a standard RFQ for a sole-source item, requiring electronic submission for consideration.