This procurement is for 6 units of a safety relief valve (NSN 4820014644168), with delivery required within 43 days after order placement. The approved sources are limited to three specific part numbers from manufacturer 5P967. The solicitation is a Request for Quote (RFQ) available only via the provided link, with no hard copies or technical drawings available. Quotes must be submitted electronically, and all responsible sources are encouraged to participate. No budget amount or performance location is specified.