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 6610-01-447-2560
NSN 6135-01-465-8061
NSN 5945-01-551-9864
NSN 5930-01-465-1056
NSN 6610-00-284-3093
NSN 2925-01-333-6346
NSN 5950-01-183-2077
NSN 5855-01-308-0955
NSN 5998-01-056-1448
NSN 5950-00-399-1037
NSN 6320-01-449-0043
NSN 6130-01-104-4371