"ITEM IS AND ASSEMBLY WHICH CONSISTS OF, 1EA PC 238 BODY, 1EA PC 239 CARTRIDGE ASSEMBLY, NSN 4730-01-494-5768; 1EA PC 240 RETAINING RING, 1EA PC 218 LABEL PLATE (WITHOUT FLOW LABEL), AND 1EA PC 168 FLOW ARROW LABEL(FROM DRAWING 2633-442-01 CAGE 96169), ORFICE DIA IS THE SIZE OF THE INDIVIDUAL HOLES IN THE CASCADE PLATES; ADD OR REMOVE CASCADE PLATES TO ACHIEVE CORRECT PRESSURE DROP; 8.00 NPS 250 PSI WP MAX 122 DEG F 350 GPM; EACH FLANGE HAS FOURTEEN 0.688 IN. DIA. HOLES."