This procurement is for 80 units of NSN 1615015004287 BREATHER, with delivery required within 170 days after the order date. The approved sources are limited to three specific manufacturers and part numbers. Performance location is not specified, and no budget amount is provided. 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.