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 6135-00-078-9931
NSN 6610-01-007-0268
NSN 5855-00-403-1031
NSN 2925-01-581-3273
NSN 5990-01-020-6841
NSN 7035-01-091-7481
NSN 6105-01-004-0456
NSN 2925-00-928-5931
NSN 5950-01-054-3508
NSN 5910-00-435-8327
NSN 5998-01-041-0253
NSN 5945-00-732-4161