48--VALVE,STOP-CHECK

The contract specifies the procurement of a stop-check valve for water tank applications under NSN 4820-00-863-5592, with a total quantity of 373 units divided into two lots of 7 and 366 units respectively. The item must comply with technical and quality requirements referenced from the DLA Master List of Technical and Quality Requirements, incorporating specific drawings and revisions including 7039063, 7039414, and others, all tied to reference drawing number 19207. Manufacturing requires a metal casting process with custom tooling, and no casting drawings or patterns are available; sourcing and tooling inquiries must be directed to designated DLA supply chain teams. The valve is designated a critical application item and must meet strict material and process controls including lead-free solder per ASTM B-32 for brazing, with visual inspection permitted in lieu of radiographic inspection of braze joints. Ozone-depleting chemicals and intentional mercury exposure are strictly prohibited unless specifically exempted for functional components like batteries or instruments, which must include secondary containment. The item must be inspected and accepted at the destination, with zero non-conformances required per sampling standards MIL-STD-1916 or ASQ H1331, unless otherwise specified. Packaging must conform to MIL-STD-2073-1E and MIL-STD-129 marking requirements, with palletization per DLA packaging guidelines. Delivery is due within 100 days of award, FOB origin, with specified shipping addresses in Barstow, CA and New Cumberland, PA. The solicitation is a total small business set-aside with a response deadline in July 2026 and a required delivery completion date of May 31, 2027.