4820-01-290-8696 (200-4PP)
NSN 4820-01-290-8696 (NIIN 01-290-8696) is a check valve in Federal Supply Class 4820, Valves, Nonpowered — a valve permitting flow in one direction only. Manufacturer part number 200-4PP; also referenced as 200-4PP 1/2 IN ASSY, 6259B44 (Circor Aerospace, Inc.).
NIIN assigned December 1988; unit of issue EA (each), $388.00 gov standard price; ships at 0.005 lb / 0.001 cu ft.