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 6105-00-187-6070
NSN 6135-01-196-7399
NSN 6110-00-129-0035
NSN 2925-01-553-5132
NSN 6220-00-583-9889
NSN 6320-01-103-6218
NSN 4140-00-997-2596
NSN 6150-01-159-7657
NSN 5960-00-467-7400
NSN 5855-01-316-9642
NSN 6150-00-624-8718
NSN 5945-01-152-4177