4730-01-406-8853 (803-5196808-PC.)
NSN 4730-01-406-8853 (NIIN 01-406-8853) is a fluid flow restrictor unit in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — an assembly consisting of an orifice in a fixed plate, disk, or tube with screens or filters on one or both sides, depending on the direction of filtered flow. Manufacturer part number 803-5196808-PC. (Naval Sea Systems Command, CAGE 53711); also referenced as 803-5196808, 803-5196808 PC 100 45PSI 50GPM (Naval Sea Systems Command).
Key specs: 45 psi nominal pressure; full characteristics table below. NIIN assigned January 1995; DEMIL A (none required); unit of issue EA (each), $14,500.10 gov standard price.