"ORIGINAL NAME- TANK,DRAIN,LIQUID OXYGEN CONVERTER,ASSEMBLY;END ITEM: A10A OXYGEN SYSTEM A/C;TANK MATERIAL FOR BOTH UPPER AND LOWER HALVES IS STEEL-SHEET .0673 IN. THICK;SPEC. QQ-S-766 CLASS 321;BASE MATERIAL IS SAME AS TANK;TANK DIA. 15.625 IN.;HAS 4 EQUALLY SPACED HANDLES ON UPPER HALF OF TANK;BASE IS 14 IN. SQUARE;INCLUDES 1 OVERFLOW TUBE,1 INLET TUBE AND 1 RELIEF VALVE"