An item which, by rising and descending within a gage tube in response to a rate of flow, indicates on a graduated scale the volume of flow.
NSN 5998-00-365-4457
NSN 5945-01-146-6694
NSN 6645-01-477-0419
NSN 6240-00-275-1950
NSN 5996-01-276-7069
NSN 5960-00-730-7813
NSN 6610-01-426-5090
NSN 5965-01-178-7853
NSN 5950-00-936-5032
NSN 5930-00-469-1600
NSN 5960-01-599-9821
NSN 5835-00-356-3825