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 5960-01-546-2379
NSN 5935-01-632-5345
NSN 5960-01-233-0311
NSN 5998-01-378-5290
NSN 5990-01-270-0600
NSN 6620-01-588-2319
NSN 5950-00-834-5767
NSN 5996-00-089-0895
NSN 5985-01-088-1113
NSN 5998-01-586-5791
NSN 6685-01-462-9114
NSN 5915-00-059-3584