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 5915-01-034-3494
NSN 5835-01-067-0075
NSN 5935-01-617-3078
NSN 5925-01-043-4336
NSN 6220-01-512-8290
NSN 5855-00-174-3482
NSN 4140-00-726-3551
NSN 5935-01-656-1174
NSN 5950-00-186-4962
NSN 6650-01-239-6241
NSN 6145-00-591-6828
NSN 5960-01-325-2241