4820-00-586-3482 (M0DELT)
NSN 4820-00-586-3482 (NIIN 00-586-3482) is a safety relief valve in Federal Supply Class 4820, Valves, Nonpowered — a valve designed to automatically release excessive pressures. Manufacturer part number M0DELT (Kunkle Industries IncLonergan Valve, CAGE 75954); also referenced as MODEL 658 SIZE 1/2 INCH (Dante Valve Company); TBB 1/2X1/2-2 (Anderson Greenwood Lp).
Key specs: 300 psi maximum single response operating pressure; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $238.15 gov standard price; export Schedule B 8481.40.0000; ships at 2.95 lb / 0.0215 cu ft.