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 5975-01-347-6116
NSN 5935-00-383-3535
NSN 2925-01-197-7864
NSN 5895-01-258-8869
NSN 5930-01-307-6048
NSN 4140-00-488-2598
NSN 5960-00-786-3219
NSN 5935-01-541-3648
NSN 6645-01-456-1182
NSN 5965-00-328-6884
NSN 5925-00-075-5534
NSN 6645-01-607-4078