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 5985-01-053-2439
NSN 5996-01-013-8824
NSN 6320-01-345-5818
NSN 6620-01-376-3744
NSN 5945-01-308-4230
NSN 5935-00-346-2738
NSN 5965-00-060-0090
NSN 5930-01-551-8343
NSN 5920-01-362-5183
NSN 6610-01-501-1161
NSN 5975-01-528-4316
NSN 5975-01-237-5769