(2) _Ignition cylinder._ Five charges in each cylinder, 8 to 12 seconds per charge. _c. Weights._ _Pounds_ Portable flame thrower M2-2, empty, in shipping chest (including the chest and all contents) 110 Portable flame thrower M2-2, empty 43 Portable flame thrower M2-2, filled with fuel 68 to 72 Tank group, empty 35 Tank group, filled with fuel 60 to 64 Gun group 8 _d. Dimensions._ _Inches_ Gun, length 30 Fuel hose, length 37 Tank group, height 27 Tank group, width 20 Tank group, breadth 11 Packing chest 34 x 23 x 19 (Cube of packing chest: 8-1/2 cubic feet) _e. Capacity of weapon._ Ignition cylinder (M1 or E1) 1 (which includes 5 incendiary charges) Fuel 4 gallons plus void for air or nitrogen _f. Pressures._ _Pounds per sq. in._ Pressure tank 1,700 to 2,100 Fuel tanks 350 _g. Ratio of expended supplies._ For every 100 complete fillings of the flame thrower, the following supplies are normally expended: (1) Nitrogen contained in fifteen 220-cubic-foot cylinders or an equivalent volume of compressed air. (Eleven cylinders are expended if the four-place arrangement described in Paragraph 32 is used.) (2) 450 gallons of fuel (400 gallons plus 50 gallons for spillage, spoilage, and evaporation). (3) 100 ignition cylinders. (4) If thickened fuel is used, 135 pounds (in cans of 5-1/4 pounds each) of U. S. Army fuel thickener. Section III TOOLS, PARTS, AND ACCESSORIES 10. ITEMS WITH EACH FLAME THROWER. The items listed below or their equivalents (Fig 7) are included in each M2-2 flame-thrower packing chest, in addition to the flame thrower. Numbers listed with items are Chemical Warfare Service stock numbers. _a. Kit, tool, for portable flame thrower M2-2, assembly B81-6-50._ _b. Kit, spare parts, for portable flame thrower M2-2, assembly B81-6-52._ _c. Cylinder, ignition, portable flame thrower M1._ (6 cylinders, in 3 cans containing 2 each) _d. Technical Manual 3-376A, “Portable Flame Thrower M2-2._” _e. Gun mounting board._ (Fig 10) _f. Plug, coupling, E81-1-514_ (for use in tank coupling when filling tank group with gun detached).