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 5999-01-368-6428
NSN 6150-01-469-6398
NSN 4140-00-283-6843
NSN 5925-01-419-0832
NSN 6620-01-617-1687
NSN 5990-00-033-8128
NSN 5935-01-568-7282
NSN 6240-01-465-2237
NSN 5905-00-191-8069
NSN 5895-01-089-7858
NSN 7035-01-442-2634
NSN 5998-00-227-3649