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 2925-01-172-9209
NSN 5905-00-330-4374
NSN 5990-00-954-6584
NSN 6130-00-406-6778
NSN 5835-01-034-1255
NSN 6135-01-392-8344
NSN 6105-01-362-0548
NSN 5965-00-194-9875
NSN 5920-01-434-5701
NSN 6150-01-648-2430
NSN 6130-01-076-4219
NSN 5950-00-936-5952