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 6650-01-323-5407
NSN 5950-00-926-3304
NSN 5930-00-243-8313
NSN 5950-00-625-9229
NSN 6320-01-373-9355
NSN 6645-00-947-0625
NSN 6650-01-563-4640
NSN 5835-01-090-0328
NSN 5925-01-526-5109
NSN 5905-00-530-8064
NSN 5895-01-025-6125
NSN 6620-01-084-5112