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 7035-00-631-3782
NSN 5990-00-963-1799
NSN 5930-00-418-9785
NSN 6105-01-226-7233
NSN 6650-01-545-2834
NSN 5915-00-580-2716
NSN 6145-01-088-7339
NSN 5945-01-193-8220
NSN 5999-01-134-9146
NSN 6610-01-522-3345
NSN 2925-00-242-1425
NSN 6650-01-029-2995