4820-01-314-7306 (18082J)
NSN 4820-01-314-7306 (NIIN 01-314-7306) is a safety relief valve in Federal Supply Class 4820, Valves, Nonpowered — a valve designed to automatically release excessive pressures. Manufacturer part number 18082J (Griswold Industries, CAGE 86184); also referenced as 18082 ITEM 18082J (Griswold Industries).
Key specs: 250 psi maximum single response operating pressure; full characteristics table below. NIIN assigned February 1990; DEMIL A (none required); unit of issue EA (each), $31,815.93 gov standard price; export Schedule B 8481.40.0000; ships at 250 lb / 6.8056 cu ft.