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 6130-01-124-5214
NSN 7035-00-163-6221
NSN 5950-00-290-8090
NSN 5960-01-082-8571
NSN 6645-01-264-6778
NSN 5915-01-126-9709
NSN 4140-01-240-8667
NSN 5915-00-661-2223
NSN 5925-01-430-0026
NSN 5905-01-260-1810
NSN 6130-01-381-3304
NSN 6150-01-206-6492