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 6105-01-470-4090
NSN 5895-01-027-1192
NSN 5910-01-165-8425
NSN 5935-00-828-4957
NSN 2925-00-211-4469
NSN 5855-00-548-4742
NSN 5965-01-341-1480
NSN 5999-00-690-0854
NSN 5950-01-176-7233
NSN 5895-01-264-0416
NSN 5945-00-567-9174
NSN 6320-01-211-6578