4820-01-090-6417 (64JA12-1702J3)
NSN 4820-01-090-6417 (NIIN 01-090-6417) is a safety relief valve in Federal Supply Class 4820, Valves, Nonpowered — a valve designed to automatically release excessive pressures. Manufacturer part number 64JA12-1702J3 (Curtiss-Wright Flow Control, CAGE 72352); also referenced as 2585JA2J3 (Curtiss-Wright Flow Control).
Key specs: 135 psi maximum single response operating pressure; full characteristics table below. NIIN assigned February 1980; DEMIL A (none required); unit of issue EA (each), $3,462.93 gov standard price; export Schedule B 8481.40.0000; ships at 86.5 lb / 1.712 cu ft.