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 6150-01-451-4049
NSN 5945-00-383-5356
NSN 5935-01-541-3209
NSN 5998-00-555-6318
NSN 5985-01-437-8591
NSN 6105-01-076-0568
NSN 4140-01-191-1247
NSN 6110-00-391-7000
NSN 7035-01-049-6776
NSN 2925-00-989-0523
NSN 5996-01-292-2761
NSN 5975-01-471-1540