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 5985-01-330-2267
NSN 5910-01-484-9726
NSN 5998-01-549-1895
NSN 6240-01-395-6360
NSN 6145-01-055-6976
NSN 6220-01-014-5351
NSN 2925-00-355-5130
NSN 5950-01-475-6148
NSN 5960-01-654-4353
NSN 5985-01-590-2961
NSN 6320-01-607-0347
NSN 2925-01-040-6354