Includes helium supply cylinder 1, cylinder neck reinforcement ring 1, protective cover 1, pressure gage 1, charging valve 1, shutoff valve 1; dim.18.370 in. Lg, 5.340 in. Dia; helium capacity to fill 6 57 in. Diameter balloons or 2-3 74 in. Diameter balloons; pressure gage per mil-g-7601; cylinder made to mil-c-7905 and ms26545
