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 6220-01-312-7487
NSN 5945-01-386-5718
NSN 5855-00-944-0949
NSN 5910-01-319-9893
NSN 5950-01-101-3461
NSN 6620-01-151-9590
NSN 5855-01-455-4910
NSN 6220-00-003-6371
NSN 5935-00-176-0165
NSN 5910-00-970-3703
NSN 5925-01-031-9918
NSN 5998-01-569-2101