This procurement is for 12 units of a safety relief valve (NSN 4820014498468) with delivery to W1A8 DLA Distribution required within 151 days after order. Approved sources are limited to three specific manufacturers and part numbers. The solicitation is a Request for Quote (RFQ) available only via the provided link, with no hard copies, specifications, or drawings available. Quotes must be submitted electronically, and all responsible sources are encouraged to participate. No budget amount or performance location is specified.