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 6110-00-010-4545
NSN 6620-01-026-0346
NSN 6110-01-423-8055
NSN 5965-01-348-0079
NSN 5920-01-025-9381
NSN 6650-01-171-4129
NSN 4140-01-482-0163
NSN 2925-00-190-5561
NSN 5960-01-029-0211
NSN 5935-01-182-6804
NSN 5925-00-584-0891
NSN 5990-01-474-3477