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 6645-01-525-7493
NSN 5950-01-333-4293
NSN 6150-00-596-9882
NSN 5855-01-033-1375
NSN 5930-00-866-3223
NSN 5996-01-049-8986
NSN 5960-01-442-6234
NSN 6105-01-282-6251
NSN 6320-01-207-0636
NSN 5945-01-425-7800
NSN 5835-01-422-2399
NSN 6150-00-741-2539