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 6240-01-615-8454
NSN 5835-00-196-9771
NSN 6320-00-098-2858
NSN 6105-01-400-0895
NSN 6135-01-492-8934
NSN 6135-01-299-0778
NSN 7035-01-372-5006
NSN 5905-01-036-0062
NSN 5920-01-617-7318
NSN 5930-01-394-3738
NSN 6645-00-735-1481
NSN 6110-01-073-3525