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 5935-01-260-3605
NSN 5925-00-879-3906
NSN 5996-00-222-6049
NSN 6135-01-334-3935
NSN 5990-00-378-1449
NSN 5915-00-011-8348
NSN 5835-01-438-7899
NSN 6645-00-454-0930
NSN 5920-00-054-0172
NSN 6145-01-113-8205
NSN 6645-00-663-8111
NSN 7035-01-172-0250