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 6620-01-111-9064
NSN 6130-01-649-3535
NSN 5975-00-185-0804
NSN 5835-01-253-8092
NSN 5915-00-816-7549
NSN 6110-00-181-5634
NSN 6685-00-575-4647
NSN 5895-01-384-6562
NSN 5935-01-095-8439
NSN 5998-00-256-9469
NSN 6610-01-053-6781
NSN 5945-01-194-3026