4820-01-292-6743 (P/L 2380G112 1384PL2380G112)
NSN 4820-01-292-6743 (NIIN 01-292-6743) is a safety relief valve in Federal Supply Class 4820, Valves, Nonpowered — a valve designed to automatically release excessive pressures. Manufacturer part number P/L 2380G112 1384PL2380G112; also referenced as 1384 P/L 2380G112 (Leslie Controls, Inc.).
Key specs: 250 psi maximum single response operating pressure; full characteristics table below. NIIN assigned January 1989; DEMIL A (none required); unit of issue EA (each), $2,175.09 gov standard price; export Schedule B 8481.40.0000.