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 5998-01-112-0223
NSN 6105-01-310-8468
NSN 5999-01-412-0470
NSN 6135-01-086-8167
NSN 6620-00-939-0462
NSN 5975-01-085-4167
NSN 5985-01-651-7173
NSN 5855-01-441-1392
NSN 6105-01-047-9117
NSN 6685-00-417-3358
NSN 5999-01-649-1451
NSN 5998-01-047-7357