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 6110-01-407-2901
NSN 6150-01-226-9305
NSN 5910-01-301-4084
NSN 5905-00-671-0625
NSN 5925-01-265-7749
NSN 5990-01-421-3325
NSN 5965-01-579-1871
NSN 5990-00-551-1315
NSN 5905-01-501-5418
NSN 5975-00-104-5399
NSN 5945-00-951-6946
NSN 6220-00-269-4556