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 5895-01-084-9117
NSN 6645-01-600-5653
NSN 6150-01-534-2732
NSN 6130-00-879-9887
NSN 5905-00-701-4385
NSN 5855-00-939-4496
NSN 6105-01-023-2773
NSN 5915-00-361-1136
NSN 5895-00-717-8878
NSN 5990-01-578-1499
NSN 6685-00-155-4301
NSN 6240-00-089-8364