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 6620-01-087-2354
NSN 6150-00-212-3975
NSN 6240-00-890-5814
NSN 4140-00-428-7589
NSN 5965-01-463-8176
NSN 7035-00-286-6221
NSN 4140-01-092-0807
NSN 6150-01-526-9154
NSN 5996-00-298-1932
NSN 6150-01-177-6748
NSN 5835-01-192-4165
NSN 6135-01-459-0089