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 6645-01-547-8490
NSN 6145-01-531-9577
NSN 5915-00-528-9286
NSN 6110-00-253-1881
NSN 5920-00-011-7142
NSN 6150-01-590-8119
NSN 5935-01-589-9508
NSN 5996-01-274-1025
NSN 6145-00-849-3897
NSN 6240-00-578-6820
NSN 6685-00-573-8066
NSN 6105-01-356-8845