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 5925-01-565-5969
NSN 6620-01-438-8479
NSN 2925-01-139-7098
NSN 6220-01-514-0381
NSN 5998-01-492-2291
NSN 5905-01-452-0959
NSN 5996-00-583-0796
NSN 6320-00-098-2858
NSN 2925-01-376-6760
NSN 5985-00-813-2041
NSN 5965-01-043-5295
NSN 5945-00-752-1002