This procurement is for 3 units of a specific valve (NSN 4810011647105), with delivery required to the Naval Weapons Systems Support Mechanism within 20 days after order. The approved sources are limited to two specific manufacturers and part numbers. The solicitation is a Request for Quote (RFQ) available only via the provided link, with no hard copies or specifications available. All responsible sources may submit electronic quotes for consideration. No budget amount or performance location beyond the delivery destination is specified.