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 6610-01-298-5662
NSN 6150-01-269-0067
NSN 5990-01-633-9503
NSN 6150-00-516-4223
NSN 6645-00-189-7075
NSN 5905-00-079-0353
NSN 5985-01-437-6150
NSN 6110-00-961-1100
NSN 5910-01-333-1196
NSN 6220-00-911-0318
NSN 5915-01-601-0645
NSN 5975-01-142-3190