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 5950-01-222-0499
NSN 6150-00-915-3274
NSN 5950-01-576-1313
NSN 5925-01-605-3888
NSN 5915-00-312-4398
NSN 5960-01-411-5899
NSN 5985-01-193-8515
NSN 6610-01-064-0384
NSN 5985-01-164-9018
NSN 5999-00-163-3217
NSN 5905-00-054-5521
NSN 6105-01-463-8557