VALVE, CHECK

A single 3-inch check valve with flanged end connections and a position indicator is being procured under contract SPE7MC-26-T-141A, with a nominal face-to-face distance of 13 inches and a maximum operating pressure of 300 PSI. The valve must meet Griswold Industries part numbers 12154B and 12154D and is designated as a critical application item. The contract strictly prohibits the intentional addition of mercury or mercury-containing compounds to the hardware, with limited exceptions for functional uses in batteries, fluorescent lights, instruments, sensors, controls, weapon systems, and specific chemical reagents designated by NAVSEA; portable devices containing mercury must be shockproof and feature a secondary containment boundary per NAVSEA 5100-003D. Technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements referenced by R and I numbers, with the applicable revision determined by the solicitation or award date depending on acquisition size. The item must be packaged in accordance with MIL-STD-2073-1E and MIL-STD-129 marking standards, with no special marking required, and palletized per DLA packaging requirements. Delivery is FOB origin to the designated receiving warehouse in Tracy, California, with a 126-day delivery lead time and a firm ship date of July 7, 2026, and a required delivery date of October 5, 2026; quantity variance is strictly zero percent. Inspection and acceptance occur at the destination, and transportation details follow DLA procedural notes C19 and C20. The NSN is 4820011907084, with a unit of issue of each, priced at a single unit price for the one-item contract.