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 5985-00-814-8383
NSN 5999-00-371-4225
NSN 6320-01-211-6578
NSN 5998-00-184-6466
NSN 6645-01-457-8642
NSN 5998-00-167-1270
NSN 6130-01-046-1727
NSN 5930-01-296-3559
NSN 5990-01-379-2337
NSN 6610-01-084-9562
NSN 5910-00-189-9158
NSN 5895-00-778-0107