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 6145-01-522-9808
NSN 5960-01-107-3272
NSN 6650-00-775-6560
NSN 5835-01-386-4027
NSN 5960-01-106-3086
NSN 5985-01-397-6393
NSN 6240-01-295-1750
NSN 6320-00-925-0558
NSN 6220-01-185-9331
NSN 6645-00-226-0657
NSN 6110-01-444-3302
NSN 4140-01-010-4305