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 4140-00-188-3800
NSN 6645-00-376-4829
NSN 6105-01-204-0671
NSN 5895-01-612-1668
NSN 5855-01-278-8922
NSN 5965-01-056-1303
NSN 6610-01-592-5945
NSN 5895-01-570-5975
NSN 5945-01-175-8457
NSN 6220-01-634-0660
NSN 6320-01-094-2634
NSN 4140-00-185-9694