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 5920-01-627-8327
NSN 5999-01-345-3423
NSN 5975-00-057-8477
NSN 6320-01-145-9013
NSN 6135-01-658-7467
NSN 5998-01-605-7654
NSN 6105-01-100-3129
NSN 6110-01-227-8597
NSN 7035-01-501-5549
NSN 5925-01-632-1048
NSN 6145-01-376-8928
NSN 6620-00-392-2832