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 6110-01-279-4754
NSN 6645-01-659-1583
NSN 5985-01-229-2289
NSN 6645-01-069-1326
NSN 5996-01-078-7335
NSN 6105-01-570-3821
NSN 5985-01-416-1223
NSN 6320-01-443-3826
NSN 6620-01-158-9412
NSN 6645-01-313-3139
NSN 5990-01-149-0691
NSN 5920-01-211-5557