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 5975-00-705-6645
NSN 5960-01-234-9107
NSN 6150-01-532-4169
NSN 4140-00-343-8654
NSN 5945-01-235-1267
NSN 5915-00-039-5192
NSN 6610-01-442-3509
NSN 5945-00-432-6669
NSN 5935-01-141-5639
NSN 6130-01-506-8906
NSN 6145-01-519-2087
NSN 6610-01-612-9890