4820-00-202-5806 (10-1472-3)
NSN 4820-00-202-5806 (NIIN 00-202-5806) is a check valve in Federal Supply Class 4820, Valves, Nonpowered — a valve permitting flow in one direction only. Manufacturer part number 10-1472-3 (The Boeing Company, CAGE 81205); also referenced as 869A8TT (Circor Aerospace, Inc.).
Key specs: 600 psi maximum single response operating pressure; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $159.06 gov standard price; ships at 0.16 lb / 0.0176 cu ft. Supersedes 4820-00-142-2976 (1967).