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 5985-00-833-9393
NSN 6240-01-452-7006
NSN 4140-01-393-8958
NSN 5855-00-138-2386
NSN 6685-01-190-0871
NSN 6220-00-188-7525
NSN 5965-00-023-0944
NSN 5915-01-398-9831
NSN 5996-00-583-9498
NSN 5965-01-187-4008
NSN 5855-01-414-6265
NSN 6145-01-577-7148