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 5835-01-442-6482
NSN 6130-01-518-7809
NSN 6320-01-631-7828
NSN 5920-01-369-6385
NSN 5965-00-236-0016
NSN 5996-01-506-1764
NSN 5895-00-572-9845
NSN 6650-01-141-5999
NSN 5855-01-485-3429
NSN 6105-01-432-6472
NSN 6135-01-359-5798
NSN 5975-01-227-5543