"TUBING,STEEL,CORROSION AND HEAT RESISTANT,SPEC MIL-T-6737,1.500 IN. ODX0.350 IN. THK WALL,OR TUBING,STEEL,CORROSION RESISTANT,SPEC MIL-T-8606,TYPE 1 OR 2,1.500 IN. ODX0.035 IN. THK WALL, OR TUBING,STEEL,CORROSION RESISTANT,SPEC MIL-T-8808,1.500 IN. ODX0.035 IN. THK WALL,20.875 IN. LG,4.000 IN. RADIUS BEND,8 SLOTS 0.031 IN. MIN/0.093 IN. MAX W,0,750 IN. LG,EQUALLY SPACED WITHIN 10 DEG"