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 5999-01-322-9511
NSN 6620-01-542-5569
NSN 6610-01-431-8575
NSN 6220-01-094-4441
NSN 7035-00-408-8170
NSN 5925-01-387-9630
NSN 2925-01-316-7487
NSN 5975-01-415-5771
NSN 5999-01-417-2123
NSN 5975-01-065-0467
NSN 5895-00-998-8855
NSN 6150-00-430-0651