4820-01-252-0674 (70652-22801-101)
NSN 4820-01-252-0674 (NIIN 01-252-0674) is a check valve in Federal Supply Class 4820, Valves, Nonpowered — a valve permitting flow in one direction only. Manufacturer part number 70652-22801-101 (Sikorsky Aircraft Corporation, CAGE 78286); also referenced as 4634 (Pneudraulics, Inc.); 70652-22801 (Sikorsky Aircraft Corporation).
Key specs: 3000 psi maximum single response operating pressure; full characteristics table below. NIIN assigned March 1987; DEMIL Q (Commerce Control List); unit of issue EA (each), $8,241.20 gov standard price; ships at 0.66 lb / 0.0122 cu ft.