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 5895-01-550-0479
NSN 5925-01-314-1208
NSN 5925-01-264-0616
NSN 6220-01-032-3684
NSN 5945-01-604-8977
NSN 5920-01-649-5453
NSN 5910-01-510-4181
NSN 6320-00-004-9158
NSN 5945-00-341-8018
NSN 5965-01-379-6707
NSN 5930-01-356-8638
NSN 5910-00-227-9795