4820-00-752-8871 (11071(M0D))
NSN 4820-00-752-8871 (NIIN 00-752-8871) is a check valve in Federal Supply Class 4820, Valves, Nonpowered — a valve permitting flow in one direction only. Manufacturer part number the referenced part number; also referenced as 11071, 11071(MOD) (Mark Controls Corp Pacific Valves).
Key specs: 2500 psi maximum single response operating pressure; full characteristics table below. NIIN assigned January 1962; unit of issue EA (each), $8,260.00 gov standard price.