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 5920-00-116-9368
NSN 5996-00-499-3691
NSN 5935-01-564-9294
NSN 6240-00-486-7512
NSN 5920-01-425-0158
NSN 6105-01-415-2339
NSN 5996-00-601-6690
NSN 6105-00-453-3445
NSN 5945-00-518-9308
NSN 5960-01-152-6097
NSN 5925-01-324-6032
NSN 5835-01-223-1790