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 5999-01-382-6462
NSN 6645-00-004-8628
NSN 6650-00-804-2039
NSN 6685-00-738-5604
NSN 5999-01-149-8528
NSN 5985-01-084-5789
NSN 5990-01-380-7815
NSN 6610-01-371-3006
NSN 2925-01-194-2484
NSN 6105-01-518-8314
NSN 5915-00-470-0586
NSN 5985-01-522-2975