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 5920-00-460-2899
NSN 5920-00-125-1316
NSN 5996-01-561-2413
NSN 5920-01-322-8928
NSN 7035-01-271-1643
NSN 5950-01-386-7182
NSN 5920-01-608-3962
NSN 5998-00-683-1333
NSN 6650-00-404-4400
NSN 6145-00-122-0205
NSN 5895-01-149-2022
NSN 5975-00-081-2171