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 5985-01-066-3062
NSN 5935-00-426-5435
NSN 6620-01-484-4153
NSN 5996-01-622-8976
NSN 6105-01-383-4501
NSN 5990-00-530-3855
NSN 5990-00-373-9787
NSN 5910-00-316-9795
NSN 5915-00-528-1192
NSN 6220-01-332-7793
NSN 5905-00-630-2085
NSN 5999-01-111-1821