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 6610-00-840-6187
NSN 6645-00-066-6868
NSN 5998-00-682-5717
NSN 6240-00-078-2360
NSN 5998-01-227-0571
NSN 5950-00-882-4626
NSN 6105-00-456-0920
NSN 4140-01-645-1279
NSN 5835-01-416-6449
NSN 5920-01-159-5101
NSN 5935-01-331-8172
NSN 6645-01-242-0340