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 5996-01-372-8174
NSN 5960-01-089-8155
NSN 6150-00-922-1425
NSN 5915-00-033-3926
NSN 2925-00-592-2819
NSN 4140-01-655-6902
NSN 5905-00-459-7718
NSN 6320-01-631-7828
NSN 5895-00-590-8726
NSN 5965-00-532-3284
NSN 5915-01-003-6599
NSN 5996-00-068-5604