| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CRES CAST STEEL FLANGE WELDED TO CRES STEEL TUBING OF TWO SIZES WITH2-3/4 IN. OD TUBE INSIDE TUBE OF 3-1/4 IN. OD,DEVELOPED LG APPROX 68-1/4IN.,BOTH TUBES WELDED TO CRES STEEL RING IN TURN WELDED TO COUPLING HAVING2-1/2 IN. NPT THD,WITH BOSS ON LEFT SIDE FOR 1/8 IN. IPT BRASS PIPE PLUG,AND ELBOW OF 1 IN. OD CRES STEEL TUBE WELDED TO OUTER TUBE 1-3/4 IN. FROMTHD COUPLING AS ESCAPE FOR EXHAUST COOLANT,ALL TUBING IN ACCORDANCE WITHMIL-T-8506 TYPE I |