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 5999-01-562-4126
NSN 5915-01-347-6690
NSN 6220-01-398-3305
NSN 5935-01-019-1165
NSN 5996-01-088-7074
NSN 2925-00-169-3775
NSN 5996-01-056-4952
NSN 6240-00-755-1432
NSN 5895-01-296-4195
NSN 5910-01-412-1070
NSN 5945-01-650-0737
NSN 6610-00-066-4106