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 5905-00-623-4801
NSN 6130-00-401-8749
NSN 6240-00-212-4305
NSN 7035-01-026-0117
NSN 6240-01-378-1657
NSN 6240-00-114-5105
NSN 5855-01-175-3990
NSN 6150-00-121-9065
NSN 7035-01-442-6993
NSN 6620-01-152-9453
NSN 5930-01-061-0923
NSN 5945-01-272-4414