A balloon designed to have a predetermined rate of free ascent when inflated with a specific volume of a lighter-than-air gas.
Classification: Surveying, hydrographic, oceanographic, hydrological or meteorological instruments and appliances, excluding compasses and rangefinders, nesoi
NSN 6130-01-573-9565
NSN 6130-00-681-1496
NSN 5935-01-485-2457
NSN 5920-01-440-7841
NSN 5855-01-406-4821
NSN 6105-00-348-7332
NSN 6220-00-244-2040
NSN 5985-01-383-7028
NSN 5930-01-360-3997
NSN 7035-00-238-3662
NSN 5925-01-539-0576
NSN 5920-01-011-9378