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 5935-00-850-2251
NSN 6620-01-091-9697
NSN 5915-00-185-5355
NSN 4140-00-659-8283
NSN 6220-01-577-0328
NSN 6650-01-511-5262
NSN 5910-01-585-1178
NSN 6685-00-829-0587
NSN 4140-01-488-5980
NSN 5895-01-411-4984
NSN 4140-00-069-1952
NSN 5855-00-896-4047