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 5935-01-236-1501
NSN 6650-00-327-5846
NSN 5965-00-452-0967
NSN 6645-01-161-3689
NSN 6645-01-441-4456
NSN 6130-01-626-5016
NSN 2925-01-528-7333
NSN 6650-01-606-2277
NSN 5935-01-524-4849
NSN 5905-00-697-2761
NSN 5960-01-381-2478
NSN 6320-00-937-5625