4820-00-764-9713 (S6165-63576-2)
NSN 4820-00-764-9713 (NIIN 00-764-9713) is a check valve in Federal Supply Class 4820, Valves, Nonpowered — a valve permitting flow in one direction only. Manufacturer part number S6165-63576-2 (Sikorsky Aircraft Corporation, CAGE 78286); also referenced as 2C6264 (Crissair Inc).
Key specs: 500 psi maximum single response operating pressure; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); unit of issue EA (each), $606.06 gov standard price; ships at 0.26 lb / 0.0176 cu ft. Supersedes 4820-00-602-8559 (1996).