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 5905-00-948-3168
NSN 5999-00-664-1818
NSN 5999-01-259-6510
NSN 6145-01-290-4883
NSN 5935-01-519-7856
NSN 5950-01-242-9896
NSN 5998-01-433-2243
NSN 6650-00-903-6670
NSN 4140-01-391-1974
NSN 6135-01-108-6057
NSN 5855-01-100-3272
NSN 5985-01-568-2361