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 5855-00-797-8217
NSN 6645-01-221-9424
NSN 5998-01-381-8645
NSN 5905-01-322-5961
NSN 5965-01-642-1560
NSN 6320-00-194-4252
NSN 6650-01-313-1300
NSN 6110-01-208-4920
NSN 6320-01-492-1976
NSN 5996-00-078-4864
NSN 5855-00-237-4088
NSN 6105-01-068-5092