VALVE, SHUT OFF

The contract specifies the procurement of 35 units of a shut-off valve designated as P/N D3852F4Y-HPS18 manufactured by CIRCOR INSTRUMENTATION TECHNOLOGIES, with NSN 4820-01-073-9924, for use in oxygen service under the DLA acquisition program. The valve features a stainless steel body with oxygen cleaning compliance per the HPS18 suffix, a 1.875-inch face-to-face distance, 1/4 NPT female threads on both ends, and is designed for panel mounting with a maximum panel thickness of 3/16 inch and a 41/64 inch hole requirement. It operates at 5000 PSIG with a 10000 PSIG proof pressure and 20000 PSIG burst pressure at 70°F, and functions within a temperature range of -20°F to 250°F. The orifice diameter is 0.217 inch, with a 0.55 CV factor for water at 60°F, and requires 10 average turns for full open to close. The valve includes a full complement of internal components such as spindle, seat, washer, packing nut, spacers, and handwheel assembly, and is designated as a critical application item. Mercury or mercury-containing compounds are strictly prohibited unless explicitly exempted under specified functional uses, with additional containment requirements for portable devices. Packaging must comply entirely with ASTM D3951 and MIL-STD-129, adhering strictly to DLA Master List of Technical and Quality Requirements, which override all other standards. All units must be palletized per RP001 and delivered FOB origin within 142 days, with a required delivery date of January 4, 2027, and no variance allowed in quantity. The delivery address is the DLA Distribution facility in New Cumberland, PA, and the contract is issued under solicitation SPE7MC-26-T-148Y with a response deadline of August 3, 2026.